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Himalaphantes azumiensis (Oi, 1979) (ŤẲĦƦ) Figures 132–135, 146 Lepthyphantes azumiensis Oi, 1979: 333, figs 16–18 (Dmf). Himalaphantes azumiensis T anasevitch, 1992: 45, fig. 3f–h (Tmf from Lepthyphantes); Yin et al. 2012: 497, fig. 230a–e (f). For full list of publications and synonyms concerning this species see World Spider Catalog (2022). Material examined. 1♀, CHINA, Yunnan, Gongshan County, Cikai Township, Dahaituo, 27.78440°N, 98.46038°E, alt. 3363m, 13 August 2006, Peng Hu (Hu 060813); 1♀, Gongshan County, Bingzhongluo Township, Gemalaka, 27.97670°N, 98.47810°E, alt. 3750 m 22August 2006, Peng Hu leg. (HU060822); 2♀, Gongshan County, Cikai Township, Dabadi to Gongshan, along Pula river downward, 27.79458 °N, 98.5071°E, alt. 3025–3990m, 04 October 2002, Heng-mei Yan leg. (Yan 021004); 7 ♂ 8♀, Lushui County, Pianma Township, Yaojiaping forest station, 25.96911°N, 98.70713°E, alt. 2586m, roadside, 18 May 2005, Ke-ji Guo leg. (GKJ009); 1♂, Gongshan County, Cikai Township, naer Gongshan Hotel, 27.7384444°N, 98.6709167°E, 1460m, 29 September 2002, Chang-min Yin and Xiang Xu leg. (No. 9); 1♀, Gongshan to Binzhongluo, 1500–1550m, same with Gongshan 4–6 July 2000, Heng-mei Yan, D. H. Kavanaugh, Charles Griswold, Hong-bin Liang, Darrell Ubick and Da-zhi Dong leg. (00–GB). Distribution. China, Japan, Russia., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 119, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Oi, R. (1979) New linyphiid spiders of Japan I (Linyphiidae) Baika Literary Bulletin, 16, 325 - 341.","Yin, C. M., Peng, X. J., Yan, H. M., Bao, Y. H., Xu, X., Tang, G., Zhou, Q. S. & Liu, P. (2012) Fauna Hunan, Araneae in Hunan, China. Hunan Science and Technology Press, Changsha, 1590 pp."]}

Clubiona flammaforma sp. nov. Figs 1, 2, 7 Type material. Holotype: ♁, CHINA: Hubei Province, Enshi City, Badong county, Yanduhe Town, Songziyuan Village, 31.35279°N, 110.39937°E, 1836 m, 27.IV.2016, W. Liu, T. Tian & C. Zeng leg. (HNU-HB-IV-1607). Paratypes: 1♁, same data as holotype (HNU-HB-IV-1607); 2♀, same place as holotype, 31.35067°N, 110.42625°E, 1340 m, 28.IV.2016, W. Liu et al. leg. (HNU-HB-IV-1608). Etymology. The specific epithet is the combination of the Latin flamma (fire) and formis (form), referring to the flame-shaped RTA, adjective. Diagnosis. Clubiona flammaforma sp. nov. resembles C. rostrata Paik, 1985 (see Zhu & Zhang 2011: fig. 266A–E) in having similar course of both embolus in male and copulatory ducts in female, but can be distinguished by: (1) the RTA trifurcate (Fig 1F) (vs. uniramous, with a ventral protuberance in C. rostrata); (2) the embolic base with a stronger dentiform process extended upwards distally in ventral view (Fig 1D) (vs. with a weak tooth extended horizontally in C. rostrata); (3) the posterior margin of epigyne recurve, without median excavation (Fig 2C) (vs. margine procurve, with oblong excavation in C. rostrata); (4) the proximal portion of copulatory ducts separated from each other and arc-shaped (Fig 2D) (vs. close to each other and straight in C. rostrata). Description. Male (holotype) (Fig. 1A, B). Total length 3.91; carapace 1.98 long, 1.35 wide; abdomen 2.15 long, 1.12 wide. Carapace dark yellow; fovea reddish and longitudinal, cervical groove inconspicuous, radial grooves visible. Eyes: AER slightly recurved, PER slightly precurved in dorsal view. Eye sizes and interdistances: AME 0.11, ALE 0.13, PME 0.12, PLE 0.10, AME–AME 0.04, AME–ALE 0.03, PME–PME 0.17, PME–PLE 0.10, MOQL 0.20, MOQA 0.26, MOQP 0.42. Chelicerae yellowish, with five promarginal teeth and seven retromarginal teeth. Endites and labium yellow. Sternum yellow, almost oval. Legs yellow; tibiae I and II with two pairs of ventral spines, metatarsus I and II with a pair of ventral spines. Leg measurements: I 4.04 (1.13, 1.76, 0.77, 0.45), II 4.22 (1.19, 1.77, 0.81, 0.45), III 3.59 (1.14, 1.25, 0.78, 0.42), IV 5.84 (1.91, 1.88, 1.59, 0.46). Abdomen elongate oval, dorsum yellowish white, with brown pinnate pattern posteriorly and two pairs of muscular depressions; venter yellowish white. Spinneret yellowish white. Palp (Fig. 1C–G). Femur and patella without apophysis. Tibia as long as patella and about 1/3 length of cymbium, RTA longer than tibia, sclerotized and trifurcated, flame-shaped, ventral branch tuberculate with blunt tip, lateral branch strongest with pointed tip, dorsal branch spiniform with pointed tip. Cymbium longer than wide. Tegulum relatively flattened, longer than wide. Conductor groovelike, membranous, located distally on retrolateral side of tegulum. Embolus slender, angled across the distal end of tegulum and extended to about 2/3 length of tegulum; embolic base broad with a stronger dentiform process extended upwards distally. Sperm duct slender and twisted in ventral view. Female (one of HNU-HB-IV-1608) (Fig. 2A–B). Total length 4.82. Carapace 2.09 long, 1.50 wide; abdomen 2.71 long, 1.58 wide. Eye sizes and interdistances: AME 0.13, ALE 0.14, PME 0.14, PLE 0.12, AME–AME 0.08, AME–ALE 0.06, PME–PME 0.22, PME–PLE 0.13, ALE–PLE 0.07, MOQL 0.27, MOQA 0.32, MOQP 0.47. Leg measurements: I 3.76 (1.14, 1.54, 0.70, 0.38), II 4.06 (1.26, 1.66, 0.72, 0.42), III 3.73 (1.14, 1.30, 0.90, 0.39), IV 5.77 (1.88, 1.77, 1.63, 0.49). Darker than male, patterns same as in male. Epigyne (Fig.2C, D).With trapezoid epigynal plate.Copulatory openings united at postmedian potion of epigyne. Copulatory ducts longitudinally arc-shaped and extended upwards, then twisted into oval loops. Spermathecae with two oval chambers respectively, interior chambers smaller than lateral chambers. Fertilization ducts located anteriorly inserted on spermathecal interior chambers. Distribution. Known only from the type locality (Fig. 7)., Published as part of Li, Li-Fen, Liu, Ping, Li, Bing & Peng, Xian-Jin, 2023, Two new species of the sac-spider genus Clubiona Latreille, 1804 (Araneae, Clubionidae) and the female of C. subcylindrata from China, pp. 520-530 in Zootaxa 5263 (4) on pages 521-523, DOI: 10.11646/zootaxa.5263.4.3, http://zenodo.org/record/7835794, {"references":["Zhu M. S. & Zhang B. S. (2011) Spider Fauna of Henan: Arachnida: Araneae. Science Press, Beijing, 558 pp."]}

Clubiona subcylindrata Wang, Chen & Zhang, 2018 Figs 3, 4, 7 Clubiona subcylindrata Wang et al. 2018: 328, figs. 16A–C, 17A–D (♁). Holotype from Fanjing Mountain Reserve, Heiwanhe (27°50.778′N, 108°46.362′E; elev. 533 m), 26.IX.2013, L.Y. Wang, D. Wang & X.K. Jiang leg. (Museum of Hebei University, Baoding, China, examined by Luyu Wang). New Records. 4♁ 5♀, CHINA: Hunan Province, Zhangjiajie City, Tianpingshan Nature Reserve, 29.76101°N, 110.04879°E, 551 m, 22.X.2014, J.H. Gan et al. leg. (HNU-HN-X-1417). Diagnosis. The males of Clubiona s ubcylindrata resemble those of C. cylindrata Liu et al., 2007 (see Liu et al. 2007: figs 13–15) in having a bulged tegulum and a slender embolus, but can be distinguished by: (1) the RTA finger-shaped with abruptly sharpened tip in retrolateral view (Fig. 3E) (vs. spinous in C. cylindrata); (2) the sperm duct invisible in ventral view (Fig. 3D) (vs. visible in C. cylindrata). The females of this species resemble those of C. cylindrata Liu et al., 2007 (see Liu et al. 2007: figs 11, 12) and C. lyriformis Song & Zhu, 1991 (see Song et al. 1991: fig. 4A, B) in having twisted tubular spermathecae, but can be distinguished by: (1) the anterior portion of atrium slightly wider than posterior portion (Fig. 4C) (vs. the anterior portion of atrium about half width of posterior portion in C. cylindrata); (2) the posterior margin of atrium opened (Fig. 4C) (vs. enclosed in C. lyriformis). Description. Male (one of HNU-HN-X-1417) (Fig. 3A, B). Total length 7.34. Carapace 3.19 long, 2.33 wide; abdomen 4.24 long, 2.03 wide. Carapace yellow, fovea reddish and longitudinal, cervical and radial grooves conspicuous. Eyes: AER slightly recurved, PER almost straight in dorsal view. Eye sizes and interdistances: AME 0.16, ALE 0.18, PME 0.14, PLE 0.15, AME–AME 0.12, AME–ALE 0.06, PME–PME 0.28, PME–PLE 0.15, ALE–PLE 0.08. MOQL 0.46, MOQA 0.52, MOQP 0.72. Chelicerae yellow with five promarginal teeth and two retromarginal teeth. Endites and labium yellowish brown. Sternum yellowish, almost oval. Legs yellow; tibiae I and II with two pairs of ventral spines, metatarsus I and II with one pair of ventral spines. Leg measurements: I 8.74 (2.46, 3.54, 1.80, 0.94), II 10.29 (2.87, 4.18, 2.23, 1.01), III 7.55 (2.28, 2.61, 1.96, 0.70), IV 10.65 (2.93, 3.59, 3.26, 0.87). Abdomen elongate oval, dorsum yellow with conspicuous tufts of hairs anteriorly and two pairs of muscular depressions, venter light yellow with four rows of dots medianly. Spinneret yellow. Palp (Figs. 3C–G) Femur and patella without apophysis. Tibia and patella longer than wide, about 1/2 length of cymbium. Tibia with two apophyses; VTA shorter with blunt tip, RTA longer than VTA, finger-shaped with abruptly sharpened tip. Cymbium longer than wide. Tegulum strongly bulged, posterior margin extended to patella. Conductor membranous and leaf-shaped, arising from the top of tegulum. Embolus slender and flagelliform, arising from the middle and prolateral side of tegulum. Sperm duct invisible in ventral view. Female (one of HNU-HN-X-1417) (Figs. 4A, B). Total length 8.51. Carapace 3.67 long, 2.57 wide; abdomen 4.70 long, 2.83 wide. Eye sizes and interdistances: AME 0.17, ALE 0.19, PME 0.15, PLE 0.17, AME–AME 0.16, AME–ALE 0.08, PME–PME 0.40, PME–PLE 0.13, ALE–PLE 0.10. MOQL 0.46, MOQA 0.53, MOQP 0.73. Leg measurements: I 8.20 (2.46, 3.35, 1.52, 0.87), II 8.42 (2.46, 3.39, 1.68, 0.89), III 7.08 (2.13, 2.40, 1.90, 0.65), IV 10.06 (2.92, 3.54, 2.78, 0.82). Colors and patterns same as in male. Epigyne (Fig. 4C, D). Epigynal plate almost rounded. Atrium almost calabash-shaped, longer than wide, and located anteriorly; posterior margin opened. Copulatory openings located at the posterolateral margin of atrium. Copulatory ducts semicircular. Spermathecae slender, tubular. Bursae oval. Fertilization ducts short and curved. Distribution. Guizhou and Hunan Provinces of China (Fig. 7)., Published as part of Li, Li-Fen, Liu, Ping, Li, Bing & Peng, Xian-Jin, 2023, Two new species of the sac-spider genus Clubiona Latreille, 1804 (Araneae, Clubionidae) and the female of C. subcylindrata from China, pp. 520-530 in Zootaxa 5263 (4) on page 524, DOI: 10.11646/zootaxa.5263.4.3, http://zenodo.org/record/7835794, {"references":["Wang, L. Y., Chen, H. M., Wu, P. L., Zhang, F. & Zhang, Z. S. (2018) Spider diversity in Fanjing Mountain Nature Reserve, Guizhou, China, II: Clubionidae (Araneae). Zoological Systematics, 43 (4), 317 - 333. https: // doi. org / 10.11865 / zs. 201827","Liu, P., Yan, H. M., Griswold, C. & Ubick, D. (2007) Three new species of the genus Clubiona from China (Araneae: Clubionidae). Zootaxa, 1456, 63 - 68. https: // doi. org / 10.11646 / zootaxa. 1456.1.3","Song, D. X., Zhu, M. S., Gao, S. S. & Guan, J. D. (1991 a) Six species of clubionid spiders (Araneae: Clubionidae) from China. Journal of Xinjiang University, 8, 66 - 72."]}

Clubiona tianpingshan sp. nov. Figs 5–7 Type material. Holotype: ♁, CHINA: Hunan Province, Zhangjiajie City, Tianpingshan Nature Reserve, 29.79004°N, 110.09161°E, 1442 m, 23.X.2014, J.H. Gan, Y.H. Gong, C. Wang & B. Zhou leg. (HNU-HN-X-1418). Paratypes: 1♀, same data as holotype (HNU-HN-X-1418); 2 ♁ 2♀, Tianpingshan Nature Reserve, 29.77190°N, 110.06751°E, 1348 m, 24.X.2014, J.H. Gan et al. leg. (HNU-HN-X-1419). Etymology. The specific epithet comes from the type locality, noun. Diagnosis. The males of Clubiona tianpingshan sp. nov. resemble those of C. huiming Wang et al., 2018 (see Wang et al. 2018: figs 8, 9) in having helical embolus and simple RTA and VTA, but can be distinguished by: (1) the embolic base about 1/3 width of the tegulum in ventral view (Fig. 5D) (vs. about 1/6 width of the tegulum in C. huiming); (2) the conductor arising from the anterior 1/3 of the tegulum and the terminal portion above the top of tegulum in retrolateral view (Fig. 5E) (vs. arising from the median portion of the tegulum and its terminal portion below the top of tegulum in C. huiming). The females of the new species resemble those of C. applanata Liu et al., 2007 (see Liu et al. 2007: figs 1, 2) and C. subapplanata Wang, et al., 2018 (see Wang et al. 2018: figs 14C, D, 15E, F) in having an oval atrium located anteriorly, a pair of large bursae and a pair of spermathecae with two chambers, but can be distinguished from the two species by (1) the margin of atrium thinner and posterior margin W-shaped in ventral view (Fig. 6C) (vs. thicker and rounded posteriorly in C. applanate and C. subapplanata); (2) the copulatory duct longer and twisted into two circular loops in dorsal view (Fig. 6D) (vs. shorter in C. applanate and C. subapplanata); (3) the posterior tubular chambers of spermathecae extended vertically in dorsal view (Fig. 6D) (vs. extended transversely in C. applanate and C. subapplanata). Description. Male (holotype) (Fig. 5A, B). Total length 3.85; carapace 1.80 long, 1.24 wide; abdomen 2.07 long, 1.29 wide. Carapace yellow; fovea reddish and longitudinal, cervical and radial grooves inconspicuous. Eyes: AER and PER slightly recurved in dorsal view. Eye sizes and interdistances: AME 0.08, ALE 0.11, PME 0.09, PLE 0.10, AME–AME 0.04, AME–ALE 0.03, PME–PME 0.11, PME–PLE 0.06, ALE–PLE 0.04, MOQL 0.27, MOQA 0.22, MOQP 0.37. Chelicerae yellow, each margin with five teeth. Endites and Labium yellowish brown. Sternum yellowish, almost oval. Legs yellowish; tibiae I and II with three pairs of ventral spines, metatarsus I and II with two pairs of ventral spines. Leg measurements: I 4.20 (1.28, 1.65, 0.75, 0.52), II 4.30 (1.34, 1.60, 0.89, 0.47), III 3.84 (1.17, 1.32, 0.93, 0.41), IV 5.46 (1.68, 1.84, 1.44, 0.50). Abdomen oval, dorsum light yellow, with conspicuous tufts of hairs anteriorly, and two pairs of muscular depressions, venter light yellow. Spinneret yellow. Palp (Fig. 5C–F). Femur without apophysis. Patella wider than long in dorsal view, with a thumb-shaped retroapical apophysis. Tibia shorter and narrower than patella, about 1/3 length of cymbium, with three apophyses; RTA sclerotized and flat, almost triangular with pointed tip in retrolateral view; VTA smaller than RTA, triangular with blunt tip; LTA smallest and with blunt tip. Cymbium longer than wide. Tegulum enlarged and protruded, slightly longer than wide. Conductor beak-shaped with sharp apices, located retrolaterally and arising distally from the 1/3 portion of tegulum in retrolateral view. Embolus arising from the top of tegulum, helical and extended anticlockwise, basal portion about 1/3 wide of tegulum, distal portion filiform. Sperm duct U-shaped in ventral view. Female (HNU-HN-1418) (Fig. 6A, B). Total length 4.23; carapace 1.88 long, 1.37 wide; abdomen 2.37 long, 1.40 wide. Eye sizes and interdistances: AME 0.08, ALE 0.12, PME 0.11, PLE 0.11, AME–AME 0.06, AME–ALE 0.03, PME–PME 0.19, PME–PLE 0.10, ALE–PLE 0.08, MOQL 0.31, MOQA 0.23, MOQP 0.40. Leg measurements: I 3.96 (1.21, 1.58, 0.75, 0.42), II 4.07 (1.29, 1.67, 0.73, 0.38), III 3.65 (1.06, 1.33, 0.89, 0.37), IV 5.05 (1.52, 1.70, 1.36, 0.47). Colors and patterns same as in male. Epigyne (Fig. 6C, D). Epigynal plate almost rounded. Atrium almost oval, wider than long, about 3/5 width of epigyne, located anteriorly, posterior margin thickened and W-shaped. Copulatory openings located in the posterior margin of atrium. Copulatory ducts twisted into two circular loops. Spermathecae meso-laterally located with two chambers respectively; anterior chamber globular, posterior chamber tubular and extended vertically. Bursae almost globular, located posteriorly. Fertilization ducts short and curved. Distribution. Known only from the type locality (Fig. 7)., Published as part of Li, Li-Fen, Liu, Ping, Li, Bing & Peng, Xian-Jin, 2023, Two new species of the sac-spider genus Clubiona Latreille, 1804 (Araneae, Clubionidae) and the female of C. subcylindrata from China, pp. 520-530 in Zootaxa 5263 (4) on pages 524-528, DOI: 10.11646/zootaxa.5263.4.3, http://zenodo.org/record/7835794, {"references":["Wang, L. Y., Chen, H. M., Wu, P. L., Zhang, F. & Zhang, Z. S. (2018) Spider diversity in Fanjing Mountain Nature Reserve, Guizhou, China, II: Clubionidae (Araneae). Zoological Systematics, 43 (4), 317 - 333. https: // doi. org / 10.11865 / zs. 201827","Liu, P., Yan, H. M., Griswold, C. & Ubick, D. (2007) Three new species of the genus Clubiona from China (Araneae: Clubionidae). Zootaxa, 1456, 63 - 68. https: // doi. org / 10.11646 / zootaxa. 1456.1.3"]}

Clubiona tianpingshan sp. nov. Figs 5–7 Type material. Holotype: ♁, CHINA: Hunan Province, Zhangjiajie City, Tianpingshan Nature Reserve, 29.79004°N, 110.09161°E, 1442 m, 23.X.2014, J.H. Gan, Y.H. Gong, C. Wang & B. Zhou leg. (HNU-HN-X-1418). Paratypes: 1♀, same data as holotype (HNU-HN-X-1418); 2 ♁ 2♀, Tianpingshan Nature Reserve, 29.77190°N, 110.06751°E, 1348 m, 24.X.2014, J.H. Gan et al. leg. (HNU-HN-X-1419). Etymology. The specific epithet comes from the type locality, noun. Diagnosis. The males of Clubiona tianpingshan sp. nov. resemble those of C. huiming Wang et al., 2018 (see Wang et al. 2018: figs 8, 9) in having helical embolus and simple RTA and VTA, but can be distinguished by: (1) the embolic base about 1/3 width of the tegulum in ventral view (Fig. 5D) (vs. about 1/6 width of the tegulum in C. huiming); (2) the conductor arising from the anterior 1/3 of the tegulum and the terminal portion above the top of tegulum in retrolateral view (Fig. 5E) (vs. arising from the median portion of the tegulum and its terminal portion below the top of tegulum in C. huiming). The females of the new species resemble those of C. applanata Liu et al., 2007 (see Liu et al. 2007: figs 1, 2) and C. subapplanata Wang, et al., 2018 (see Wang et al. 2018: figs 14C, D, 15E, F) in having an oval atrium located anteriorly, a pair of large bursae and a pair of spermathecae with two chambers, but can be distinguished from the two species by (1) the margin of atrium thinner and posterior margin W-shaped in ventral view (Fig. 6C) (vs. thicker and rounded posteriorly in C. applanate and C. subapplanata); (2) the copulatory duct longer and twisted into two circular loops in dorsal view (Fig. 6D) (vs. shorter in C. applanate and C. subapplanata); (3) the posterior tubular chambers of spermathecae extended vertically in dorsal view (Fig. 6D) (vs. extended transversely in C. applanate and C. subapplanata). Description. Male (holotype) (Fig. 5A, B). Total length 3.85; carapace 1.80 long, 1.24 wide; abdomen 2.07 long, 1.29 wide. Carapace yellow; fovea reddish and longitudinal, cervical and radial grooves inconspicuous. Eyes: AER and PER slightly recurved in dorsal view. Eye sizes and interdistances: AME 0.08, ALE 0.11, PME 0.09, PLE 0.10, AME–AME 0.04, AME–ALE 0.03, PME–PME 0.11, PME–PLE 0.06, ALE–PLE 0.04, MOQL 0.27, MOQA 0.22, MOQP 0.37. Chelicerae yellow, each margin with five teeth. Endites and Labium yellowish brown. Sternum yellowish, almost oval. Legs yellowish; tibiae I and II with three pairs of ventral spines, metatarsus I and II with two pairs of ventral spines. Leg measurements: I 4.20 (1.28, 1.65, 0.75, 0.52), II 4.30 (1.34, 1.60, 0.89, 0.47), III 3.84 (1.17, 1.32, 0.93, 0.41), IV 5.46 (1.68, 1.84, 1.44, 0.50). Abdomen oval, dorsum light yellow, with conspicuous tufts of hairs anteriorly, and two pairs of muscular depressions, venter light yellow. Spinneret yellow. Palp (Fig. 5C–F). Femur without apophysis. Patella wider than long in dorsal view, with a thumb-shaped retroapical apophysis. Tibia shorter and narrower than patella, about 1/3 length of cymbium, with three apophyses; RTA sclerotized and flat, almost triangular with pointed tip in retrolateral view; VTA smaller than RTA, triangular with blunt tip; LTA smallest and with blunt tip. Cymbium longer than wide. Tegulum enlarged and protruded, slightly longer than wide. Conductor beak-shaped with sharp apices, located retrolaterally and arising distally from the 1/3 portion of tegulum in retrolateral view. Embolus arising from the top of tegulum, helical and extended anticlockwise, basal portion about 1/3 wide of tegulum, distal portion filiform. Sperm duct U-shaped in ventral view. Female (HNU-HN-1418) (Fig. 6A, B). Total length 4.23; carapace 1.88 long, 1.37 wide; abdomen 2.37 long, 1.40 wide. Eye sizes and interdistances: AME 0.08, ALE 0.12, PME 0.11, PLE 0.11, AME–AME 0.06, AME–ALE 0.03, PME–PME 0.19, PME–PLE 0.10, ALE–PLE 0.08, MOQL 0.31, MOQA 0.23, MOQP 0.40. Leg measurements: I 3.96 (1.21, 1.58, 0.75, 0.42), II 4.07 (1.29, 1.67, 0.73, 0.38), III 3.65 (1.06, 1.33, 0.89, 0.37), IV 5.05 (1.52, 1.70, 1.36, 0.47). Colors and patterns same as in male. Epigyne (Fig. 6C, D). Epigynal plate almost rounded. Atrium almost oval, wider than long, about 3/5 width of epigyne, located anteriorly, posterior margin thickened and W-shaped. Copulatory openings located in the posterior margin of atrium. Copulatory ducts twisted into two circular loops. Spermathecae meso-laterally located with two chambers respectively; anterior chamber globular, posterior chamber tubular and extended vertically. Bursae almost globular, located posteriorly. Fertilization ducts short and curved. Distribution. Known only from the type locality (Fig. 7).

Clubiona flammaforma sp. nov. Figs 1, 2, 7 Type material. Holotype: ♁, CHINA: Hubei Province, Enshi City, Badong county, Yanduhe Town, Songziyuan Village, 31.35279°N, 110.39937°E, 1836 m, 27.IV.2016, W. Liu, T. Tian & C. Zeng leg. (HNU-HB-IV-1607). Paratypes: 1♁, same data as holotype (HNU-HB-IV-1607); 2♀, same place as holotype, 31.35067°N, 110.42625°E, 1340 m, 28.IV.2016, W. Liu et al. leg. (HNU-HB-IV-1608). Etymology. The specific epithet is the combination of the Latin flamma (fire) and formis (form), referring to the flame-shaped RTA, adjective. Diagnosis. Clubiona flammaforma sp. nov. resembles C. rostrata Paik, 1985 (see Zhu & Zhang 2011: fig. 266A–E) in having similar course of both embolus in male and copulatory ducts in female, but can be distinguished by: (1) the RTA trifurcate (Fig 1F) (vs. uniramous, with a ventral protuberance in C. rostrata); (2) the embolic base with a stronger dentiform process extended upwards distally in ventral view (Fig 1D) (vs. with a weak tooth extended horizontally in C. rostrata); (3) the posterior margin of epigyne recurve, without median excavation (Fig 2C) (vs. margine procurve, with oblong excavation in C. rostrata); (4) the proximal portion of copulatory ducts separated from each other and arc-shaped (Fig 2D) (vs. close to each other and straight in C. rostrata). Description. Male (holotype) (Fig. 1A, B). Total length 3.91; carapace 1.98 long, 1.35 wide; abdomen 2.15 long, 1.12 wide. Carapace dark yellow; fovea reddish and longitudinal, cervical groove inconspicuous, radial grooves visible. Eyes: AER slightly recurved, PER slightly precurved in dorsal view. Eye sizes and interdistances: AME 0.11, ALE 0.13, PME 0.12, PLE 0.10, AME–AME 0.04, AME–ALE 0.03, PME–PME 0.17, PME–PLE 0.10, MOQL 0.20, MOQA 0.26, MOQP 0.42. Chelicerae yellowish, with five promarginal teeth and seven retromarginal teeth. Endites and labium yellow. Sternum yellow, almost oval. Legs yellow; tibiae I and II with two pairs of ventral spines, metatarsus I and II with a pair of ventral spines. Leg measurements: I 4.04 (1.13, 1.76, 0.77, 0.45), II 4.22 (1.19, 1.77, 0.81, 0.45), III 3.59 (1.14, 1.25, 0.78, 0.42), IV 5.84 (1.91, 1.88, 1.59, 0.46). Abdomen elongate oval, dorsum yellowish white, with brown pinnate pattern posteriorly and two pairs of muscular depressions; venter yellowish white. Spinneret yellowish white. Palp (Fig. 1C–G). Femur and patella without apophysis. Tibia as long as patella and about 1/3 length of cymbium, RTA longer than tibia, sclerotized and trifurcated, flame-shaped, ventral branch tuberculate with blunt tip, lateral branch strongest with pointed tip, dorsal branch spiniform with pointed tip. Cymbium longer than wide. Tegulum relatively flattened, longer than wide. Conductor groovelike, membranous, located distally on retrolateral side of tegulum. Embolus slender, angled across the distal end of tegulum and extended to about 2/3 length of tegulum; embolic base broad with a stronger dentiform process extended upwards distally. Sperm duct slender and twisted in ventral view. Female (one of HNU-HB-IV-1608) (Fig. 2A–B). Total length 4.82. Carapace 2.09 long, 1.50 wide; abdomen 2.71 long, 1.58 wide. Eye sizes and interdistances: AME 0.13, ALE 0.14, PME 0.14, PLE 0.12, AME–AME 0.08, AME–ALE 0.06, PME–PME 0.22, PME–PLE 0.13, ALE–PLE 0.07, MOQL 0.27, MOQA 0.32, MOQP 0.47. Leg measurements: I 3.76 (1.14, 1.54, 0.70, 0.38), II 4.06 (1.26, 1.66, 0.72, 0.42), III 3.73 (1.14, 1.30, 0.90, 0.39), IV 5.77 (1.88, 1.77, 1.63, 0.49). Darker than male, patterns same as in male. Epigyne (Fig.2C, D).With trapezoid epigynal plate.Copulatory openings united at postmedian potion of epigyne. Copulatory ducts longitudinally arc-shaped and extended upwards, then twisted into oval loops. Spermathecae with two oval chambers respectively, interior chambers smaller than lateral chambers. Fertilization ducts located anteriorly inserted on spermathecal interior chambers. Distribution. Known only from the type locality (Fig. 7).

Cirrosus atrocaudatus Zhao & Li, 2014 (XÃBẼƦ) Figures 61–63 Cirrosus atrocaudatus Zhao & Li, 2014 b: 15, figs 20A–D, 21A–E, 22A–F, 23A–D (Dmf). Material examined. 1♀, CHINA, Yunnan, Fugong County, Lumadeng Township, Shibali forest station trap Types. Holotype ♂, CHINA, Yunnan, Gongshan County, Bingzhongluo Township, Gemalaka, 27.97670°N, 98.47810°E, alt. 3750 m 22 August 2006, Peng Hu leg. (Hu060822). Paratypes: 1♀, same data as holotype (Hu 060822); 2♀, Fugong County, Lishadi Township, Shibali, 27.10520°N, 98.77980°E, alt. 2530m, 4, 6, 8, 9, 10 August 2005, Guo Tang leg. (Tang –05–02); 1♂, Gongshan County, Cikai Township, south side of the tunnel between Gongshan and Kongdang, 27.77023°N, 98.44648°E, alt. 3360m, 13 December 2004, Hong-bin Liang and V. F. Lee leg. (VFL –04–0028); 1 ♂ 1♀, Gongshan County, Qiqi Dongshaofang, 27.69521°N, 98.48514°E, alt. 3208m, 29 September 2007, Xian-jin Peng leg. (20070929); 1♀, Longling County, Longjiang Township, Xiaoheishan Nature Reserve, 24.83671°N, 98.76185°E, alt. 2067m, hand collecting in a big log, 28 May 2005, Heng-mei Yan and Guo Ke-ji leg. (CKJ029); 1♀, Fugong County, Lumadeng Township, Yaping Village, 5 km, 27.14497°N, 98.81463°E, alt. 2000m, 7 May 2004, Heng-mei Yan leg. (20040507–3); 1♂, Fugong County, Lumadeng Township, Yaping Village, Yaping Yakou, 12 km, rock, bank, bamboo, 27.20658°N, 98.21782°E, alt. 3280– 3100m, 8 May 2004, Heng-mei Yan leg. (20040508). Etymology. This epithet derives from the Latin adjective “ denticulata ”, meaning “tooth” and refers to the embolic division with teeth in male palp. Diagnosis. This new species resembles Collinsia inerrans (O. Pickard-Cambridge, 1885) in having the similar distal suprategular apophysis, tibia with a triangular apophysis in palp (Figs 64B, D, 66D); epigyne ventral plate with lateral lobes (Figs 65A–C, 66B, C), but can be distinguished by the distal end of proximal cymbial apophysis relatively narrow with pointed end in C. denticulata sp. nov. (Figs 64B, 66D), whereas relatively broad with blunt end in C. inerrans (Fig. 69B). The inner margin of distal arm of paracymbium with broad lower projection, with blunt tip pointing towards the proximal cymbial apophysis in C. denticulata sp. nov. (Figs 64B, C, 66D), whereas inner margin slightly projecting out; with curved blunt tip pointing towards the tibia in C. inerrans (Fig. 68B). Embolus longer than wide, proximal end slightly curved and pointing towards the embolic division in C. denticulata sp. nov. (Figs 64A–C, 66A, D), whereas wider than long, projecting above the apex of cymbium in C. inerrans (Fig. 68A–C). Embolic division wider than long, covered with teeth, mesally grooved in C. denticulata sp. nov. (Figs 64A– C, 66A, D), whereas embolic division possesses two long projections with teeth in C. inerrans (Fig. 68A–C). Spermathecae elliptical, pointing towards the lateral sides in C. denticulata sp. nov. (Figs 65B, C, 66B, C), whereas spermathecae slightly curved and pointing towards the inner margin of epigyne in C. inerrans (Fig. 69B, C). Description. Male (holotype, Fig. 67A–C, one of paratypes Fig. 67F, G): Total length: 2.62. Carapace 1.14 long, 0.91 wide; cephalic region slightly elevated, dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.31 high. Sternum wider than long, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth, reteromargin also with a long projection equipped with setae (paratype, Fig. 67F, G). Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.08, PME 0.06, PLE 0.07, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.03, PME–PLE 0.07, AME–PME 0.06, ALE–ALE 0.32, PLE–PLE 0.36, ALE–PLE contiguous. Length of legs: I 2.97 (0.88, 1.01, 0.61, 0.47), II 2.66 (0.81, 0.88, 0.56, 0.41), III 2.37 (0.72, 0.75, 0.51, 0.39), IV 3.06 (0.93, 0.99, 0.69, 0.45). Leg formula IV-I-II-III. Tm I 0.37 and Tm IV 0.21. Tibial spine formula: 2-2-2- 1. Abdomen 1.48 long, 1.03 wide, oval, brown, covered with fine hairs. Palp (Figs 64A–D, 66A, D): Patella short; tibia conic, with one reterolateral and one dorsal trichobothria, with two broad triangular apophyses; paracymbium L-shaped, inner margin of distal arm with broad lower projection, its blunt tip pointing towards the proximal cymbial apophysis; tegulum with transparent protegulum with broad distal end; distal suprategular apophysis sclerotized, proximal end broad, slightly grooved with blunt end. Embolic division with a broad plate, distally grooved with several long teeth, median membrane transparent, with blunt end, slightly covering the embolus in reterolateral view; embolus sclerotized, basally curved, with teeth, its blunt end pointing towards the broad plate. Female (paratype, Fig. 67D, E): Total length: 2.38. Carapace 0.82 long, 0.76 wide; cephalic region slightly elevated, dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.23 high. Sternum wider than long, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and five retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.05, PLE 0.06, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.04, PME–PLE 0.07, AME–PME 0.07, ALE–ALE 0.32, PLE–PLE 0.34, ALE–PLE contiguous. Length of legs: I 2.76 (0.81, 0.9, 0.59, 0.46), II 2.5 (0.74, 0.81, 0.56, 0.39), III 2.19 (0.63, 0.71, 0.47, 0.38), IV 2.91 (0.84, 0.99, 0.64, 0.44). Leg formula IV-I-II-III. Tm I 0.32 and Tm IV 0.19. Tibial spine formula: 1-1-1-1. Abdomen 1.56 long, 1.03 wide, oval, brown, covered with fine hairs. Epigyne (Fig. 65A–C, 66B, C): Ventral plate sclerotized, mid ventrally grooved, laterally with a lobe on each side; Copulatory ducts short, located mesally; spermathecae elliptical, pointing towards lateral sides; fertilization ducts small, extending mesally. Distribution. Known only from the type locality (Fig. 71). Collinsia inerrans (O. Pickard-Cambridge, 1885) (ª đũHƦ) Figures 68–71 Erigone deserta L. Koch, 1879 c: 73 (D; suppressed for lack of usage). Collinsia inerrans Tanasevitch, 1990: 105, figs 22.12–13, 24.36 (mf); Zhu & Zhang, 2011: 120, fig 73A–E (mf). For full list of publications and synonyms concerning this species see World Spider Catalog (2022). Material examined. 1♀, CHINA, Yunnan, Gongshan County, Cikai Township, 50 km W of Gongshan on Dulong Valley Road, 27.78447°N, 98.46020°E, alt. 3370m, 01 October 2002, D. H. Kavanaugh leg.; 2 ♂, Tengchong County, Jietou Township, 8# boundary post of Yakou, 25.80894°N, 98.62080°E, alt. 2890m, 23 May 2006, Xian-jin Peng and Xin-ping Wang leg.. Distribution. Europe, Caucasus, China, Russia to Central Asia, Japan, Korea. Genus Conglin Zhao & Li, 2014 (ṀHƦø)

Himalaphantes aduncus sp. nov. (NḦẲĦƦ) Figures 129–131, 146 Types. Holotype ♂, CHINA, Yunnan, Lushui County, Yaojiaping, at Pianma Road 44.7 km, 25.97479°N, 98.71027°E, alt. 2516m, disturbed forest; dusting webs in understory, 19–20 May 2005, Charles Griswold leg. (CGY111). Paratypes: 2♂ 1♀, same data as holotype (CGY111); 1♂ 1♀, Fugong County, Lumadeng Township, Yaping Village, Shibali, 27.16515°N, 98.77975°E, alt. 2527m, 01 May 2004, Guang-xu Peng leg. (20040501– 1); 2♂, Long yang County, Ba wan Township, Dong feng bridge, 24.98535ºN, 98.87383ºE, 670m, beach of Nu Jiang river, 29 May 2005, Heng-mei Yan and Ke-ji Guo leg. (GKJ031). Etymology. This epithet derives from the Latin adjective “ aduncus ”, meaning “hook”, referring to the hook-shaped dorsal tip of the distal suprategular apophysis in the male palp. Diagnosis. The male of new species resembles that of Himalaphantes pseudoaduncus sp. nov. in having the similar distal suprategular apophysis; proximal cymbial apophysis and lamella characteristca sinuous, extending ventrally (Fig. 129A–D; Fig. 142A–D), but can be distinguished by the proximal projection of distal arm of paracymbium finger-shaped in H. aduncu s sp. nov. (Fig. 129B, D), whereas beak-shaped in H. pseudoaduncus sp. nov. (Fig. 142B, D). The distal tip of radix round in H. aduncu s sp. nov. (Fig. 129A), whereas somewhat rectangular in H. pseudoaduncus sp. nov. (Fig. 142A). The thumb not completely covered by the embolus in H. aduncu s sp. nov. (Fig. 129A), whereas completely covered in H. pseudoaduncus sp. nov. (Fig. 142A). Female resembles that of H. fugongensis sp. nov. in having the similar stretcher and posterior median plate in epigyne (Fig. 130A, C; Fig. 138A, C) but can be distinguished by the spermathecae bean-shaped in H. aduncus sp. nov. (Fig. 130B, C), whereas L-shaped in H. fugongensis sp. nov. (Fig. 138B, C). Scape with a deep depression at the centre, the lateral lobe absent in H. aduncus sp. nov. (Fig. 130A, B), whereas the central depression not very deep, the lateral lobe present on each side in H. fugongensis sp. nov. (Fig. 138A, B). Description: Male (holotype, Fig. 131A, B): Total length: 3.41; carapace 1.59 long, 1.23 wide, yellowish brown;cephalic region slightly elevated, with a longitudinal brown band, lateral sides brown; fovea, cervical and radial grooves distinct. Clypeus 0.32 high. Sternum longer than wide, brown. Labium wider than long, brown. Maxillae long, distal end broad with scopulae. Chelicerae yellowish brown, much longer, with two promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.10, ALE 0.12, PME 0.11, PLE 0.11, AME–AME 0.04, AME–ALE, 0.06 PME–PME 0.06, PME–PLE 0.07, AME–PME, 0.11, ALE–ALE 0.53, PLE–PLE 0.55, ALE–PLE 0.02. Legs with annuli; length of legs: I 8.77 (2.31, 2.92, 2.23, 1.31), II 7.31 (1.98, 2.43, 1.89, 1.01), III 4.57 (1.23, 1.49, 1.22, 0.63), IV 6.38 (1.78, 1.91, 1.74, 0.95); leg formula I-II-IV-III. Tm I 0.76 and Tm IV 0.55. Tibial dorsal spine formula: 2-2-2-2. Abdomen 1.82 long, 0.98 wide, oval, gray-black, proximal end with a pair of oblique white bands followed by irregular white patches extending posteriorly: ventral side yellowish, with irregular greenish-grey and white patches. Palp (Fig. 129A–D): Patella half as long as tibia, dorsally with a long thick spine; tibia longer than wide, with two retrolateral and one dorsal trichobothria. Cymbium with a prolateral shallow notch, proximal cymbial apophysis present with blunt end. Paracymbium with fine spines proximally, distal part with a small finger-shaped projection, its distal arm wider than long with blunt end. Distal suprategular apophysis sclerotized, dorsal tip hook-shaped, ventral margin transparent. Radix longer than wide, distal tip round. Lamella characteristca sinuous extending forward with serrated tip. Median membrane broad, curved distally. Embolus small, with pointed tip attached to small thumb. Female (one of paratypes, Fig. 131C, D): Total length: 3.11; carapace 1.39 long, 1.09 wide, yellow; cephalic region slightly elevated, with a longitudinal brown band, lateral sides brown; fovea, cervical and radial grooves distinct. Clypeus 0.33 high. Sternum longer than wide, brown. Labium wider than long, brown. Maxillae long, distal end broad with scopulae. Chelicerae yellowish brown, with three promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.08, ALE 0.12, PME 0.11, PLE 0.10, AME–AME 0.05, AME–ALE, 0.06 PME–PME 0.06, PME–PLE 0.06, AME–PME, 0.13, ALE–ALE 0.49, PLE–PLE 0.53, ALE–PLE 0.03. Legs with annuli; length of legs: I 7.32 (2.03, 2.36, 1.82, 1.11), II 6.25 (1.81, 1.95, 1.54, 0.95), III 4.61 (1.43, 1.35, 1.14, 0.69), IV 5.85 (1.75, 1.83, 1.41, 0.86); leg formula I-II-IV-III. Tm I 0.61 and Tm IV 0.48. Tibial dorsal spine formula: 2-2-2- 2. Abdomen 1.77 long, 1.19 wide, oval, yellow, proximal end with a longitudinal band followed by irregular brown patches extending posteriorly; ventral side yellow, with irregular brown and white patches. Epigyne (Fig. 130A–C): Scape wider than long, with a deep depression posteriorly; stretcher longer than wide with round end. copulatory openings present in lateral pockets. Entrance grooves sinuous. Posterior median plate rectangular. Spermathecae relatively large, beanshaped. Distribution. Known only from the type locality (Fig. 146).

Nematogmus lushuiensis sp. nov. (ǎḳứẤƦ) Figures 229C, 230, 234 Types. Holotype ♀, CHINA, Yunnan, Lushui County, Yaojiaping, at Pianma Road 44.7 km, 25.97479°N, 98.71027°E, alt. 2516m, disturbed forest; dusting webs in understory, 19–20 May 2005, Charles Griswold leg. (CGY111). Paratypes: 3♀, same data as holotype (CGY111); 1♀, Gongshan County, Dabadi of new road, 27.47525ºN, 98.30121ºE, 3013m, 12 November 2004, Guo Tang leg. (Tang–04–11). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Nematogmus longior Song & Li, 2008 in the ventral plate with two small shallow semicircular lobes with depression posteriorly and U-shaped spermathecae (Fig. 230A–C; Song & Li, 2008, fig. 4G), but can be distinguished by the copulatory ducts with 3 spiral coils in N. lushuiensis sp. nov. (Fig. 230B, C), whereas with two spiral coils in N. longior (Song & Li, 2008, fig. 4B, E). Dorsal plate rectangular in N. lushuiensis sp. nov. (Fig. 230A–C), whereas trapezoidal in N. longior (Song & Li, 2008, fig. 4C). Description. Female (holotype, Fig. 229C): Total length: 2.84. Carapace 1.23 long, 1.11 wide, orange; cervical and radial grooves distinct; cephalic region slightly elevated. Clypeus 0.29 high. Sternum longer than wide, yellowish brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. AER recurved, PER procurved, slightly wider. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.05, PLE 0.06, AME–AME 0.03, PME– PME 0.11, AME–ALE, 0.11, PME–PLE 0.09, AME– PME 0.09, ALE–ALE 0.44, PLE–PLE 0.45, ALE–PLE contiguous. Length of legs: I 5.76 (1.79, 1.78, 1.45, 0.74), II 5.37 (1.67, 1.67, 1.32, 0.71), III 4.34 (1.28, 1.27, 1.03, 0.66), IV 5.22 (1.63, 1.54, 1.29, 0.76). Leg formula I-IIIV-III. Tm I 0.43, Tm IV present. All tibia dorsally with two to three long trichobothria. Tibial spine formula: 1-1- 1-1. Abdomen 2.12 long, 1.79 wide, oval, black, dorsally with two pairs of sigillae. Epigyne (Fig. 230A–C): Ventral plate with two small shallow semicircular lobes and depressions posteriorly. Copulatory openings situated posteriorly in shallow lobes. Vulva: Dorsal plate rectangular. Copulatory ducts with three spiral coils. Spermathecae somewhat U-shaped, with short globular arms slightly overlapping the long arm. Fertilization ducts short, directed mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 234). Nematogmus membranifer Song & Li, 2008 (ȒứẤ Ʀ) Figures 231–234 Nematogmus membranifer Song & Li, 2008b: 277 e8, figs 5A–F, 6A–G, 7 (Dmf). Material examined. 2♂ 8♀, CHINA, Yunnan, Tengchong County, Jietou Township, Shaba Village, Lijiazai Group, 25.23635°N, 98.42116°E, alt. 1819m, 23 October 2003, Guo Tang leg. (Tang031023); 1♀, Fugong County, Lishadi Township, Shibali, 27.10520ºN, 98.77980ºE, alt. 2530m, 10 August 2005, Guo Tang leg. (Tang–05–02); 1♂, Gongshan County, Gongdang, Shenshan mountain, 28.00930°N, 98.61505°E, alt. 2480–2500m, 9 October 2002, Heng-mei Yan leg. (Yan021009). Distribution. China (Yunnan) (Fig. 234). Genus Nippononeta Eskov, 1992 (SƦø)

Gongylidioides lingulatus sp. nov. (ŮḦAEƉƦ) Figures 111–113 Types. Holotype ♀, CHINA, Yunnan, Forest along shelf above Yamu river, 0.4 km SE Shibali, 27.16337°N, 98.78208°E, alt. 2475m, 8 May 2004, Charles Griswold and D. H. Kavanaugh and Heng-mei Yan leg. (CGY37). Paratypes: 1♀, same data as holotype (CGY37); 1♀, Fugong County, Lumadeng Township, Shibali forest station trap area, 27.16636°N, 98.77667°E, alt. 2563m, 4 May 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY28). Etymology. This epithet derives from the Latin adjective “ lingulate ”, meaning “tongue-shaped”, referring to the tongue-shaped dorsal plate in epigyne. Diagnosis. This new species resembles Gongylidioides rimatus (Ma & Zhu, 1990) in having the reduced ventral plate, only small extension in lateral view, dorsal plate almost exposed in epigyne (Fig. 111A–C; Tu & Li, 2006, fig. 6H), but can be distinguished by the dorsal plate tongue-shaped, longer than wide in G. lingulatus sp. nov. (Fig. 111A–C), whereas bell-shaped, broad posteriorly in G. rimatus (Tu & Li, 2006, fig. 6H). Spermathecae present almost in longitudinal position in G. lingulatus sp. nov. (Fig. 111A–C), whereas present horizontally in G. rimatus (Tu & Li, 2006, fig. 6H). Description. Female (holotype, Fig. 112A, B): Total length: 2.57. Carapace 1.23 long, 0.88 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.21 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and six retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.08, PME 0.09, PLE 0.08, AME–AME 0.03, PME–PME 0.06, AME–ALE, 0.02, PME–PLE 0.05, AME–PME 0.05, ALE–ALE 0.31, PLE–PLE 0.35, ALE–PLE contiguous. Length of legs: I 3.37 (0.91, 1.13, 0.77, 0.56), II 3.19 (0.89, 1.06, 0.75, 0.49), III 2.74 (0.80, 0.87, 0.72, 0.35), IV 3.63 (1.07, 1.19, 0.90, 0.47). Leg formula IV-I-II-III. Tm I 0.39 and Tm IV 0.31. Tibial spine formula: 2-2-1-1. Abdomen 1.66 long, 1.02 wide, oval, gray, dorsally with black band, ventrolaterally with longitudinal band, ventral side gray with greenish-grey band. Epigyne (Fig. 111A–C): Ventral plate reduced, only small extension; copulatory openings present at the junction of dorsal and ventral plate posteriorly. Vulva: dorsal plate tongue-shaped almost exposed in ventral view; copulatory ducts short, forming pair of loops anteriorly; spermathecae globular, present laterally on dorsal plate, present longitudinally, pointing towards the anterior margin of ventral plate; fertilization ducts short, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 113). Genus Gongylidium Menge, 1868 (AEƂƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 91-95, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Oi, R. (1960) Linyphiid spiders of Japan. Journal of the Institute of Polytechnics Osaka City University, 11 (D), 137 - 244.","Pickard-Cambridge, O. (1873 f) On some new species of Araneida, chiefly from Oriental Siberia. Proceedings of the Zoological Society of London, 41 (2), 435 - 452, pl. 40 - 41. https: // doi. org / 10.1111 / j. 1469 - 7998.1873. tb 00506. x","Ma, X. L. & Zhu, C. D. (1990) Two new species of spiders of the genus Oedothorax from China (Araneae, Linyphiidae, Erigoninae) Acta Zootaxonomica Sinica, 15, 431 - 435.","Tu, L. H. & Li, S. Q. (2006 b) A review of Gongylidioides spiders (Araneae, Linyphiidae, Erigoninae) from China. Revue Suisse de Zoologie, 113 (1), 51 - 65. https: // doi. org / 10.5962 / bhl. part. 80339","Menge, A. (1868) Preussische Spinnen. II. Abtheilung. Schriften der Naturforschenden Gesellschaft in Danzig (N. F.), 2, 153 - 218."]}

Amfractus dentefaberis sp. nov. (Ḱ‼ÄdƦ) Figures 6–10 Types. Holotype ♂, CHINA, Yunnan, Longling County, Longjiang Township, Xiaoheishan Nature Reserve (Gucheng mountain), 24.82886°N, 98.75917°E,alt. 2010m, in the forest, 26 May 2005, Heng-mei Yan leg. (GKJ026). Paratypes: 4♀, same data as holotype (GKJ026). Etymology. This epithet derives from the Latin adjective “ dentefaber ”, meaning “spike” and referring to cephalic region with spike-like long thick macrosetae in the male. Diagnosis. See genus diagnosis. Description. Male (holotype, Figs 8A, B, 9A–C): Total length: 3.05. Carapace 1.21 long, 0.98 wide, with cephalic lobe 0.61 long with eyes, ocular quad densely covered with long thick macrosetae, brown; fovea, cervical and radial grooves distinct. Cephalic pits absent Clypeus 0.38 high, relatively grooved, forming a concave surface, with several microsetae. Sternum longer than wide, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and four retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.10, PME 0.09, PLE 0.12, AME–AME 0.04, PME–PME 0.12, AME–ALE, 0.12, PME–PLE 0.09, AME–PME 0.31, ALE–ALE 0.48, PLE–PLE 0.53, ALE–PLE contiguous. Length of legs: I 6.11 (1.68, 1.81, 1.64, 0.98), II 5.6 (1.59, 1.74, 1.40, 0.87), III 4.12 (1.25, 1.21, 0.99, 0.87), IV 5.06 (1.38, 1.61, 1.32, 0.75). Leg formula I-II-IV-III. Tm I 0.68 and Tm IV 0.51. Tibial spine formula: 2-2-1-1. Abdomen 1.84 long, 1.03 wide, oval, dusky gray, mid dorsally with distinct black pattern extending laterally and posteriorly, ventral side dusky gray. Palp (Fig. 6A–D): Tibia conic, with two reterolateral and one dorsal trichobothria, dorsal tibial apophysis with blunt end; paracymbium sclerotized, hook-shaped, distal arm with curved projection, dorsal surface with spines; subtegulum and tegulum sclerotized, almost completely covered by the embolus and median membrane; tegulum with long transparent protegulum protruding above and almost equal to the apex of cymbium; embolic membrane white, thick, spirally coiled along with embolus; tailpiece long, sclerotized, extending ventrally with pointed end; embolus long, sclerotized, black, prominent, about three spiral coils, protruding above the apex of cymbium. Female (one of paratypes, Fig. 9D, E): Total length: 3.18. Carapace 1.14 long, 0.98 wide, brown, mid dorsally slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.26 high. Sternum wider than long, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and six retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.11, PME 0.11, PLE 0.11, AME–AME 0.04, PME–PME 0.09, AME–ALE, 0.05, PME–PLE 0.08, AME–PME 0.09, ALE–ALE 0.42, PLE–PLE 0.49, ALE– PLE contiguous. Length of legs: I 5.58 (1.65, 1.67, 1.37, 0.89), II 5.31 (1.58, 1.59, 1.29, 0.85), III 3.83 (1.22, 0.99, 0.98, 0.64), IV 4.93 (1.48, 1.35, 1.32, 0.78). Leg formula III-IV-III. Tm I 0.64 and Tm IV 0.42. Tibial spine formula: 2-2-1-1. Abdomen 2.04 long, 1.34 wide, oval, dusky gray, mid dorsally with distinct black pattern extending laterally and posteriorly, ventral side dusky gray. Epigyne (Fig. 7A–C): Ventral plate wider than long, connected with dorsal plate posteriorly; copulatory openings present mesally at the posterior end; dorsal plate sclerotized, wider than long. Vulva with long copulatory ducts, thick, forming spiral coils on the dorsal plate before joining to the spermathecae; spermathecae elliptical, present laterally on dorsal plate, separated by a distance of 2/3 of their diameter; fertilization ducts long, extending mesally. Distribution. Known only from the type locality (Fig. 10). Genus Atypena Simon, 1894 (ṞƉƦø)

Prosoponoides yunnanensis sp. nov. (ȓƃAEƦ) Figures 285, 286 Types. Holotype ♀, CHINA, Yunnan, Galigong Mountain, 30 July 1981. Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Prosoponoides guanduensis sp. nov. in having the similar parmula and the entrance groove with about half of a coil (Fig. 285B, C; Fig. 263A–C), but can be distinguished by the spermathecae pointing away from each others in P. yunnanensis sp. nov. (Fig. 285C), whereas pointing towards each other in P. guanduensis sp. nov. (Fig. 263C). Turning points and spermathecae present dorso-mesally in P. yunnanensis sp. nov. (Fig. 285C), whereas present dorso-laterally in P. guanduensis sp. nov. (Fig. 263C). Description. Female (holotype, Fig. 285A): Total length: 3.25. Carapace 1.16 long, 0.88 wide; cephalic region slightly elevated, light brown; fovea, cervical and radial grooves distinct. Clypeus 0.18 high. Sternum longer than wide, brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.07, ALE 0.09, PME 0.07, PLE 0.08, AME–AME 0.04, PME–PME 0.07, AME–ALE, 0.06, PME–PLE 0.09, AME–PME 0.09, ALE–ALE 0.42, PLE–PLE 0.44, ALE–PLE contiguous. Length of legs: I 4.72 (1.34, 1.42, 1.22, 0.74), II 4.32 (1.31, 1.21, 1.15, 0.65), III 2.73 (0.83, 0.82, 0.66, 0.42), IV 4.01 (1.12, 1.19, 1.11, 0.59). Leg formula I-II-IV-III. Tm I 0.46 and Tm IV 0.34. Tibial spine formula: 2-2-2-2. Abdomen 2.09 long, 1.52 wide, oval, gray, with a longitudinal gray band followed by oblique bands extending posteriorly; ventral side gray. Epigyne (Fig. 285B, C): Posteriorly with two openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula shovel-shaped, projecting posteriorly from the dorsal plate, with a large pit ventrally. The entrance groove opening blocked with copulatory plug (seems distal suprategular apophysis of male palp broken into both openings in this female). Vulva: wider than long, entrance grooves started from ventral wall, with about half coil, turning points and spermathecae present dorso-mesally on apices; spermathecae short, slightly curved, pointing away from each others; fertilization ducts long, present dorso-laterally, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 286). Genus Ryojius Saito & Ono, 2001 (ƥŜƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 252-254, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Saito, H. & Ono, H. (2001) New genera and species of the spider family Linyphiidae (Arachnida, Araneae) from Japan. Bulletin of the National Museum of Nature and Science Tokyo (A), 27, 1 - 59."]}

Prosoponoides yani sp. nov. (颜DzAEƦ) Figures 280, 281, 286 Types: Holotype ♀, CHINA, Yunnan, Nujiang Prefecture, Nujiang State Nature Reserve, Dulong Gongshan Yakou area, 21 km W of Gongshan, 27.69655°N, 98.45389°E, alt. 3300–3680m, 16–17 July 2000, Heng-mei Yan, D.H. Kavanaugh, Charles Griswold, Hong-bin Liang, Darrell Ubick and Da-zhi Dong leg. (00–BY). Paratypes: 3♀, same data as holotype (00–BY); 1♀, Gongshan County, Cikai Township, Dahaituo, 27.78440°N, 98.46038°E, alt. 3363m, 13 August 2006, Peng Hu leg. (Hu060813). Etymology: The epithet is a patronym in honor of Prof. Yan Heng-mei, who contributed much work to the taxonomy of Chinese spiders; noun. Diagnosis: This new species can be distinguished from all other congeners by: the entrance grooves with four and half coils before entering the spermathecae (Fig. 280C, D), spermathecae elliptical (Fig. 280C, D). Description. Female (holotype, Fig. 281A, B). Total length 3.36. Carapace 1.22 long, 0.94 wide, dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.24 high. Sternum dark brown, longer than wide, with sparse hairs. Labium brown, wider than long. Maxillae long, distal end pale, broader with scopulae and spinelike hairs. Chelicerae yellow, with five promarginal and four retromarginal teeth, stridulatory striae absent. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.08, ALE 0.09, PME 0.08, PLE 0.08, AME–AME 0.04, PME–PME 0.06, AME–ALE, 0.05, PME–PLE 0.07, AME–PME 0.08, ALE–ALE 0.44, PLE–PLE 0.47 ALE–PLE contiguous. Length of legs: I 4.49 (1.21, 1.37, 1.13, 0.78), II 4.25 (1.18, 1.32, 1.09, 0.66), III 2.81 (0.89, 0.84, 0.67, 0.41), IV 3.80 (1.13, 1.19, 0.94, 0.54), long, slender, yellow. Leg formula: I-II-IVIII. Tm I 0.51. Tibial spine formula: 2-2-2-2.Abdomen; 2.14 long, 1.48 wide, cylindrical, mid dorsally with distinct pattern and a longitudinal yellow strip on each side; ventral side grayish brown. Epigyne (Fig. 280A–D): Aperture oval, septum relatively squeezed, dividing aperture into two parts. Parmula relatively reduced. Vulva: entrance grooves very thick, each with four and half coils, spermathecae pointing in opposite direction from each other. Male. Unknown. Distribution. Known only from the type locality (Fig. 286).

Atypena acutala sp. nov. (ḰẌṞƉƦ) Figures 11–13, 16 Types. Holotype ♂, CHINA, Yunnan; Lushui County, 53 km W of Nujiang Road on Pianma Road, 25.97182°N, 98.70047°E, alt. 3140m, 15 October 2002, D. H. Kavanaugh leg. (DHK –2002–49). Paratypes: 4♀, same data as holotype; 1♂ 1♀, Nujiang Prefecture, Nujiang State Nature Reserve, No. 12 bridge Camp area, 16.3 km W of Gongshan, 27.71503°N, 98.50244°E, alt. 2775m, 15–19 July 2000, Heng-mei Yan, D. H. Kavanaugh, Charles Griswold, Hong-bin Liang, Darrell Ubick and Da-zhi Dong leg. (00–QD). Etymology. This epithet derives from the Latin adjective “ acutalis ”, meaning “pointed” and referring to pointed terminal apophysis in male palp. Diagnosis. The new species resembles Atypena cirrifrons (Heimer, 1984) in having the similar cephalic lobe,long terminal apophysis with pointed end and epigyne with a broad median plate (Figs 11A–C, 12A–C, 13A, C, D; Heimer, 1984, fig. 2, 7), but can be distinguished by the distal suprategular apophysis basally broad with blunt end and pointing towards the terminal apophysis in A. acutala sp. nov. (Fig. 11A–C), whereas curved and pointing towards the cymbium in A. cirrifrons (Song, Zhu & Chen, 1999, fig. 114Q). Embolus slightly curved and distal end bifurcated in A. acutala sp. nov. (Fig. 11A– C), whereas straight and not bifurcated in A. cirrifrons (Heimer, 1984, fig. 5, 6). Epigyne: The copulatory ducts forming two loops and located close to each other in A. acutala sp. nov. (Fig. 12A, B), whereas in A. cirrifrons the CD form one loop and are located further from each other (Heimer, 1984, fig. 7, 8). Description. Male (holotype, Fig. 13A–D): Total length: 1.63. Carapace 0.72 long, 0.59 wide, the cephalic region pale with cephalic lobe 0.14 high; fovea, cervical and radial grooves distinct. Carapace with distinct cephalic lobe. Cephalic pits present in between the posterior lateral and posterior median eyes. Ocular quad densely covered with macrosetae. Clypeus 0.14 high. Sternum wider than long, pale, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and four retromarginal teeth. Eye region narrow, AER recurved, PER procurved and slightly wider than AER. Posterior median eyes located on the cephalic lobe. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.05, PLE 0.06, AME–AME 0.02, PME–PME 0.11, AME–ALE, 0.03, PME–PLE 0.12, ALE–ALE 0.30, PLE–PLE 0.32, ALE–PLE contiguous. Length of legs: I 2.16 (0.61, 0.73, 0.48, 0.34), II 2.08 (0.59, 0.69, 0.47, 0.33), III 1.7 (0.53, 0.54, 0.37, 0.26), IV 2.31 (0.64, 0.74, 0.58, 0.35). Leg formula IV-I-II-III. Tm I and Tm IV present. Tibial spine formula: 1-1-1-1. Abdomen 0.91 long, 0.63 wide, oval, dorsally with two black longitudinal bands, ventral side pale without any marking. Palp (Fig. 11A–D): Tibia conic, with two retrolateral trichobothria and some short or long setae on all surfaces; reterolateral tibial apophysis with blunt end and a small sclerotized tooth at the base; paracymbium highly sclerotized, hook-shaped, the inner side excavated to a shallow groove, distal end with a short projection; tegulum with a transparent protegulum; distal suprategular apophysis highly sclerotized and basally broad with blunt end; radix highly sclerotized giving rise to long pointed terminal apophysis, median membrane partially covering the embolus; dorsal projection of embolic plate with broad round distal end and overlapping the suprategulum in prolateral view; embolus highly sclerotized, slightly curved with bifurcated tip giving rise to embolic tip and a sclerotized lobe. Female (one of the paratypes, Fig. 14A, B): Total length: 1.81. Carapace 0.66 long, 0.63 wide, the cephalic region slightly elevated, pale; fovea, cervical and radial grooves distinct. Clypeus 0.13 high. Sternum wider than long, pale, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and five retromarginal teeth. Eye region narrow, AER recurved, PER straight and slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.06, PLE 0.06, AME–AME 0.04, PME–PME 0.05, AME–ALE, 0.03, PME–PLE 0.04, ALE–ALE 0.29, PLE–PLE 0.32, ALE–PLE contiguous. Length of legs: I 2.45 (0.70, 0.81, 0.55, 0.39), II 2.33 (0.66, 0.79, 0.51, 0.37), III 1.96 (0.57, 0.64, 0.48, 0.27), IV 2.66 (0.79, 0.88, 0.65, 0.34). Leg formula IV-I-II-III. Tm I and Tm IV present. Tibial spine formula: 1-1-1-1. Abdomen 1.15 long, 0.81 wide, cylindrical, dorsally with two black longitudinal bands; ventral side pale without any marking. Epigyne (Fig. 12A–C): Simple, with a broad median plate. copulatory openings located on the base of the median plate at the posterior end of the epigyne. Copulatory ducts forming two loops before joining to the spermathecae. Fertilization ducts directed mesally. Spermathecae globular, separated from each other by about 1.5 their diameters. Distribution. Known only from the type locality (Fig. 16). Atypena thailandica Barrion & Litsinger, 1995 (new to China) Figures 15, 16 Atypena thailandica Barrion & Litsinger, 1995: 480, figs 293a–c, 294a–e (Dmf); World Spider Catalog, 2020. Material examined. 1♀, CHINA, Yunnan, Lushui County, Pianma Township, Chanyan He, 9.3 km ESE Pianma, 25.99363°N, 98.66651°E, alt. 2470m, mixed broad leaf deciduous and evergreen forest; beating understory vegetation, 14 May 2005, Charles Griswold leg. (CGY107). Distribution. China (Yunnan), Thailand., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 15-20, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Song, D. X., Zhu, M. S. & Chen, J. (1999) The spiders of China. Hebei Science and Technology Publishing House, Shijiazhuang, 640 pp.","Barrion, A. T. & Litsinger, J. A. (1995) Riceland spiders of South and Southeast Asia. CAB International, Wallingford, UK, xix + 700 pp."]}

Ketambea septifera sp. nov. (ḐǞÁƦ) Figures 162–164 Types: Holotype ♀, CHINA, Yunnan, Shibali forest station, 27.17746°N, 98.75527°E, alt. 2820m, 3 May 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY22). Etymology: This epithet derives from the Latin adjective “ septifera ” meaning “septum”, and refers to the septum that divides the posterior margin of epigyne into two halves. Diagnosis: This new species resembles K. permixta Millidge & Russell-Smith, 1992 (figs 28, 29) in having the similar septum and round spermathecae, but can be distinguished by: the shape of atrium apertures and the position of fertilization ducts (Fig. 162C); spiral ducts with two and half turns (Fig. 162C); spermathecae pointing away from each other (Fig. 162C; Millidge & Russell-Smith, 1992, figs 28, 29). Description. Female (holotype, Fig. 163A, B). Total length 2.47. Carapace 1.09 long, 0.87 wide, yellow, carapace slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.19 high. Sternum yellowishbrown, longer than wide, with sparse spines. Labium yellow, wider than long. Maxillae long, distal end broad with scopulae and spine-like hairs. Chelicerae yellow, with two promarginal and three retromarginal teeth, stridulatory striae absent. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.07, ALE 0.10, PME 0.09, PLE 0.08, AME–AME 0.04, PME– PME 0.07, AME–ALE, 0.05, PME–PLE 0.08, AME– PME 0.06, ALE–ALE 0.44, PLE–PLE 0.45, ALE–PLE contiguous. Length of legs: I 5.81 (1.64, 1.78, 1.55, 0.84), II 5.01 (1.42, 1.50, 1.33, 0.76), III 3.18 (0.89, 0.91, 0.82, 0.56), IV 4.16 (1.20, 1.25, 1.09, 0.62), legs long, slender and yellow; femura densely covered with fine spines. Leg formula: I-II-IV-III. Tm I 0.49. Tibial spine formula: 2-2- 2-2. Abdomen; 1.38 long, 0.96 wide, cylindrical, yellow, dorsally with longitudinal black strip on each side; ventral side yellow. Epigyne (Fig. 162A–C): Aperture wider than long, septum slit-shaped, dividing aperture into two parts.Vulva: spiral ducts thick, with two and half loops; spermathecae round, pointing away from each other. Male. Unknown. Distribution. Known only from the type locality (Fig. 164). Genus Laogone Tanasevitch, 2014 (åẮƦø)

Tapinopa longicisterna sp. nov. (KẽḂƦ) Figures 305–307 Types. Holotype ♀, CHINA, Yunnan, Tengchong County, Wuhe Township, Tongjia dauzhuang Village, Longchuanjiang river (Longjiang bridge), 24.89284ºN, 98.67439ºE, alt. 1210m, 24 May 2005, Heng-mei Yan and Ke-ji Guo leg. (GKJ020). Paratypes: 3♀, same data as holotype female (GKJ020). Etymology. This epithet derives from the Latin adjective “ longi ” and “ cisterna ”, meaning “long” and “receptacle” respectively, referring to the long spermathecae in epigyne. Diagnosis. The new species can be distinguished from all other congeners by the long scape; entrance grooves with three coiled spirals and the long spermathecae (Fig. 305A–D). Description. Female (holotype, Fig. 306A–C): Total length: 2.19. Carapace 0.76 long, 0.81 wide, brown; cephalic region slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.13 high. Sternum wider than long, cordiform, dark brown, covered, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broader provided with scopulae. Chelicerae with four promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER slightly recurved and wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.07, PLE 0.07, AME–AME 0.02, PME– PME 0.04, AME–ALE, 0.03, PME–PLE 0.04, AME– PME 0.06, ALE–ALE 0.29, PLE–PLE 0.32, ALE–PLE contiguous. Length of legs: I 3.89 (1.05, 1.25, 0.99, 0.60), II 3.52 (0.98, 1.11, 0.86, 0.57), III 2.85 (0.83, 0.88, 0.68, 0.46), IV 3.54 (1.03, 1.09, 0.84, 0.58). Leg formula I-IVII-III. Tm I 0.39 and Tm IV 0.27. Tibial spine formula: 2-2-2-2. Abdomen 1.33 long, 0.87 wide, oval, greenishgrey, with irregular white patches extending towards lateral sides; ventral side greenish-grey with two pairs of white spots. Epigyne (Fig. 305A–F): Protruding, scape wider than long, with well developed stretcher; stretcher finger-shaped; entrance groove with three coiled spirals. Spermathecae long, C-shaped. Male. Unknown. Distribution. Known only from the type locality (Fig. 307).

Microlinyphia spirala sp. nov. (ṚÄḿƉƦ) Figures 199–201 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Cikai Township, 3.3 km NW of Gongshan on Pula River at hydropower diversion dam, 27.77175°N, 98.64924°E, alt. 1530m, 24 September 2002, D. H. Kavanaugh leg. (PEM012). Paratypes: 2♀, same data as holotype female (PEM012). Etymology. This epithet derives from the Latin adjective “ spiralis ”, meaning “spiral” and referring to spiral tubes in epigyne. Diagnosis. The new species resembles Microlinyphia pusilla (Sundevall, 1830) in having a similarly rounded scape (Fig. 199A–C; Fig. 195A–C), but can be distinguished by the spiral tubes with 8.5 coils in M. spirala sp. nov. (Fig. 199B, C), whereas with 6.5 to 7.5 coils in M. pusilla (Fig. 195B, C). Spermathecae pointing away from each other in M. spirala sp. nov. (Fig. 199B, C), whereas towards each other in M. pusilla (Fig. 195B, C). Description. Female (holotype, Fig. 200A, B): Total length: 2.86. Carapace 1.18 long, 0.80 wide, brown, lateral margin dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.18 high. Sternum longer than wide, brownish black, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and four retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.07, ALE 0.08, PME 0.06, PLE 0.07, AME–AME 0.05, PME–PME 0.12, AME–ALE, 0.10, PME–PLE 0.08, AME–PME 0.09, ALE–ALE 0.44, PLE–PLE 0.45, ALE–PLE contiguous. Length of legs: I 5.90 (1.67, 1.77, 1.55, 0.91), II 5.04 (1.41, 1.56, 1.31, 0.76), III 3.57 (1.09, 1.06, 0.91, 0.51), IV 5.10 (1.59, 1.46, 1.37, 0.68). Leg formula I-IV-II-III. Tm I 0.77 and Tm IV 0.41. Tibial spine formula: 2-2- 2-2. Abdomen 1.93 long, 1.29 wide, oval, pale, densely covered with white patches, proximal end with a brown arch-shaped marking followed by a yellowish brown distinct pattern: ventral side dark brown with two pairs of white patches posteriorly. Epigyne (Fig. 199A–C): Scape rounded and curved in ventral direction, arising from a triangular incision of anterior margin of epigastric furrow. Vulva: entrance of spiral tubes presents in lateral walls of triangular incision. Spiral tubes with 8.5 coils. Spermathecae small, pointing away from each other. Fertilization duct running through the axis of coils, forming a complete loop near entrance, then curving to the dorsal side of the complex. Male. Unknown. Distribution. Known only from the type locality (Fig. 201). Genus Molestia Tu, Saaristo & Li, 2006 (ĢƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 170-174, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Sundevall, C. J. (1830) Svenska spindlarnes beskrifning. Bihang till Kongliga Svenska Vetenskaps - Akademiens Handlingar, 1829, 188 - 219.","Saaristo, M. I., Tu, L. H. & Li, S. Q. (2006) A review of Chinese micronetine species (Araneae, Linyphiidae) Part I, species of ex- Arcuphantes and ex- Centromerus. Animal Biology, 56 (3), 383 - 401. https: // doi. org / 10.1163 / 157075606778441886"]}

Gracilentus serratus sp. nov. (ḏḦdzƦ) Figures 124, 125, 128 Types. Holotype ♀, CHINA, Yunnan, Tengchong County, Qushi Township, Heiyuhe L and scape, 25.22186°N, 98.57167°E, alt. 1550m, 2 June 2006, Chang-min Yin, Jia-fang Hu and Ming-wei Yang, Shao-xian He leg. (YHY20). Paratypes: 2♀, same data as holotype; 1♀, Fugong County, 4.5 km Aludi, 27.10829°N, 98.87162°E, alt. 1263m, 22 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY05). Etymology. This epithet derives from the Latin adjective “ serratus ”, meaning “saw-edged” and refers to the saw-shaped posterior margin of the ventral plate in the epigyne. Diagnosis. The new species resembles Gracilentus tengchongensis sp. nov. in having similar spermathecae and copulatory ducts (Fig. 124A–C; Fig. 126A–C), but can be distinguished by the ventral plate wider than long and posterior margin serrated in G. serratus sp. nov. (Fig. 124A–C), whereas longer than wide and posterior margin not serrated in G. tengchongensis sp. nov. (Fig. 126A–C). Description. Female (holotype, Fig. 125A, B): Total length: 2.82. Carapace 0.97 long, 0.83 wide, brown; fovea, cervical and radial grooves distinct. Clypeus 0.26 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae sclerotized, dark brown, with five promarginal and five retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.06, PME 0.06, PLE 0.07, AME–AME 0.04, PME–PME 0.07, AME–ALE, 0.03, PME–PLE 0.01, AME–PME 0.04, ALE–ALE 0.30, PLE–PLE 0.34, ALE–PLE contiguous. Length of legs: I 4.31 (1.26, 1.36, 1.08, 0.61), II 4.09 (1.17, 1.39, 0.97, 0.56), III 2.54 (0.86, 0.92, 0.76, 0.32), IV 3.84 (1.11, 1.16, 1.11, 0.46). Leg formula I-II-IV-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 1.85 long, 1.34 wide, oval, pale, mid dorsally with a longitudinal pale band, dorso-laterally with a dark grey pattern followed by three transverse chevrons, ventral side pale. Epigyne (Fig. 124A–C): Ventral plate wider than long, protruding above the epigastric furrow posteriorly, posterior margin serrated; copulatory openings present at the posterior margin of the ventral plate. Vulva: Dorsal plate rectangular; copulatory ducts sclerotized, fused, protruding above the spermathecae anteriorly; spermathecae elliptical, pointing towards the posterior lateral wall of ventral plate, separated by a distance of 2/3 their diameter; fertilization ducts small, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 128).

Nasoonaria orthogonia sp. nov. (OiḆẶƦ) Figures 221–223, 227 Types. Holotype ♂, CHINA, Yunnan, Houqiao Township, 25.35391°N, 98.25488°E, alt. 1785m, 28 May 2006, Xin-ping Wang and Peng Hu leg. (Wang060528–1). Paratypes: 2♀, same data as holotype (Wang060528); 2♀, Tengchong County, Jietou Township, Xinzhuang Village, 25.44744°N, 98.70964°E, alt. 1950m, 23 May 2006, Chang-min Yin, Jia-fang Hu and Ming-wei Yang leg. (YHY11); 1♀, Tengchong County, Mazan Township, Volcano Park, 25.02369°N, 98.47686°E, alt. 1937m, 2 June 2006, Chang-min Yin, Jia-fang Hu, Ming-wei Yang and Shao-xian He leg. (YHY19). Etymology. This epithet derives from the Latin adjective “ orthogonius ”, meaning “rectangular”, referring to the rectangular dorsal plate in the epigyne. Diagnosis. The new species resembles Nasoonaria yunnanensis (Xia, et al. 2001) comb. nov. in having a similar paracymbium in male palp; the dorsal plate and the spermathecae in epigyne (Figs 221A–D, 222A–C; Song & Li, 2011, figs 11D, 13D), but can be distinguished by the dorsal tibial apophysis narrowing towards the tip with pointed end in N. orthogonia sp. nov. (Fig. 221A, B, D), whereas round in N. yunnanensis comb. nov. (Song & Li, 2011, fig. 11B). Protegulum not bifurcated in N. orthogonia sp. nov. (Fig. 221A, B, D), whereas bifurcated in N. yunnanensis comb. nov. (Song & Li, 2011, fig. 11C). Copulatory ducts somewhat sinuous in N. orthogonia sp. nov. (Fig. 222B, C), whereas coiled in N. yunnanensis comb. nov. (Song & Li, 2011, fig. 13A, B, F). Description. Male (holotype, Fig. 223A–C): Total length: 2.21. Carapace 1 long, 0.75 wide, brown; fovea, cervical and radial grooves distinct; with slight lobe in the middle, in addition to some microsetae anterior to the lobe and with large cephalic pits present at the base. Clypeus 0.21 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances:AME 0.07, ALE 0.08, PME 0.06, PLE 0.07, AME–AME 0.03, PME–PME 0.07, AME– ALE, 0.03, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.34, PLE–PLE 0.37, ALE–PLE contiguous. Length of legs: I 3.06 (0.88, 0.97, 0.72, 0.49), II 2.95 (0.86, 0.93, 0.68, 0.48), III 2.38 (0.69, 0.74, 0.54, 0.41), IV 2.98 (0.89, 0.94, 0.68, 0.47). Leg formula I-IV-II-III. Tm I 0.36, Tm IV absent. Tibial spine formula: 2-2-1-1. Abdomen 1.21 long, 0.77 wide, oval, gray, posteriorly with three chevrons; ventral side brown. Palp (Fig. 221A–D): Patella shorter than tibia, mesally grooved; tibia conic, dorsal tibial apophysis narrowing towards tip with pointed end, with two retrolateral and one dorsal trichobothria. Paracymbium U-shaped, distal arm grooved. Protegulum simple, with transparent tip. Distal suprategular apophysis broad basally, grooved and gradualy narrowing towards the tip. Lamella large, widened distally. Embolus long, slightly curved, forming a broad coil. Female (one of the paratypes, Fig. 223D, E): Total length: 2.82. Carapace 1.06 long, 0.80 wide, brown; fovea, cervical and radial grooves distinct. Clypeus 0.22 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.07, ALE 0.08, PME 0.07, PLE 0.08, AME–AME 0.03, PME–PME 0.07, AME–ALE, 0.05, PME–PLE 0.05, AME–PME 0.07, ALE–ALE 0.37, PLE–PLE 0.40, ALE–PLE contiguous. Length of legs: I 3.41 (0.99, 1.12, 0.77, 0.53), II 3.19 (0.91, 1.05, 0.74, 0.49), III 2.58 (0.79, 0.79, 0.60, 0.40), IV 3.26 (0.90, 1.06, 0.79, 0.51, 0.26). Leg formula I-IV-II-III. Tm I 0.33, Tm IV absent. Tibial spine formula: 2-2-1-1. Abdomen 1.76 long, 1.14 wide, oval, gray, posteriorly with three chevrons; ventral side brown. Epigyne (Fig. 222A–C): Ventral plate slightly narrowed mesally. Dorsal plate completely exposed. copulatory openings situated posteriorly between the dorsal and ventral plate. Copulatory ducts long, sinuous, extending anteriorly then turning back to spermathecae. Spermathecae globular, separated from each other by about 2.5 times of their diameters. Fertilization ducts directed mesally. Distribution. Known only from the type locality (Fig. 227). Nasoonaria sinensis Wunderlich & Song, 1995 (ϕ⁂ ẶƦ) Figures 224–227 Nasoonaria sinensis Wunderlich & Song, 1995: 347, figs 11–18 (Dmf); Song, Zhu & Chen, 1999: 188, fig 107H–J (mf); Tanasevitch, 2014d: 408, figs 58–63 (mf). Material examined. 3♂ 1♀, CHINA, Yunnan, Gongshan County, Cikai Township, 53 km W of Gongshan on Dulong Valley Road, 27.77422°N, 98.44716°E, alt. 3380m, 1 October 2002, D. H. Kavanaugh leg. (DHK –2002–033). Distribution. China (Yunnan) (Fig. 227). Nasoonaria yunnanensis (Xia, Zhang, Gao, Fei & kim, 2001) comb. nov. (ȓƃẶƦ) Walckenaeria yunnanensis Xia et al. 2001: 163, figs 8–13 (Dmf); Song & Li, 2011: 191, figs 11A–D, 12A–E, 13A–G (mf). Distribution. China (Yunnan) (Fig. 227). Remarks. Male palp embolic division and the generalized structure of epigyne resembles Nasoonaria magna Tanasevitch, 2014 (Zhao & Li, 2014, figs 58A–D, 59A–E, 60A–F, 61A-D), N. pseudoembolica Tanasevitch, 2019 (fig. 134, figs 4–6, 14–20) and Nasoonaria orthogonia sp. nov. (Figs 221A–D, 222A–C). Based on the characteristics and the resemblance to above mentioned species, Walckenaeria yunnanensis Xia, Zhang, Gao, Fei & Kim, 2001 best fits in the genus Nasoonaria and proposed here as Nasoonaria yunnanensis (Xia, Zhang, Gao, Fei & kim, 2001) comb. nov. Genus Nematogmus Simon, 1884 (ứẤƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 190-194, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Song, Y. J. & Li, S. Q. (2011) Notes on Walckenaeria species (Araneae, Linyphiidae) from China. Revue Suisse de Zoologie, 118, 175 - 196. https: // doi. org / 10.5962 / bhl. part. 117803","Thorell, T. (1895) Descriptive catalogue of the spiders of Burma, based upon the collection made by Eugene W. Oates and preserved in the British Museum. Printed by order of the Trustees, London, 406 pp.","Wunderlich, J. & Song, D. X. (1995) Four new spider species of the families Anapidae, Linyphiidae and Nesticidae from a tropical rain forest area of SW-China. Beitrage zur Araneologie, 4, 343 - 351.","Song, D. X., Zhu, M. S. & Chen, J. (1999) The spiders of China. Hebei Science and Technology Publishing House, Shijiazhuang, 640 pp.","Tanasevitch, A. V. (2014 d) On the linyphiid spiders from Thailand and West Malaysia (Arachnida, Aranei, Linyphiidae) Arthropoda Selecta, 23 (4), 393 - 414. https: // doi. org / 10.15298 / arthsel. 23.4.08","Xia, Q., Zhang, G. R., Gao, J. C., Fei, R. & Kim, J. P. (2001) Three new species of spiders of Erigoninae (Araneae, Lihyphiidae) from China. Korean Arachnology, 17, 161 - 168.","Zhao, Q. Y. & Li, S. Q. (2014) A survey of linyphiid spiders from Xishuangbanna, Yunnan Province, China (Araneae, Linyphiidae). ZooKeys, 460, 1 - 181. https: // doi. org / 10.3897 / zookeys. 460.7799","Simon, E. (1884 a) Les arachnides de France. Tome cinquieme, deuxieme et troisieme partie. Roret, Paris, pp. 180 - 885, pl. 26 - 27."]}

Mughiphantes latus sp. nov. (ŽƱƉƦ) Figures 213–216 Types. Holotype ♂, CHINA, Yunnan, Fugong County, 18km, Lumadeng, Yama river bridge, 25.13561°N, 98.84166°E, alt. 1612m, 7 October 2007, Xian-jin Peng leg. (20071007); Paratypes: 9♂ 17♀, same data as holotype (20071007); 1 ♂ 3♀, Gongshan County, Qiqi Dongshaofang, 27.69521°N, 98.48514°E, alt. 3208m, 29 September 2007, Xian-jin Peng leg. (20070929); 1♀, Gongshan County, Cikai Township, Dabadi troops place south bank of Pula river, 29 September 2002, Heng-mei Yan leg. (Yan 020929); 2♀, 12km of Yaping to Yakou, 27.1998°N, 98.71375°E, alt. 3210m, 25 April 2004, Heng-mei Yan leg. (20040425). Etymology. This epithet derives from the Latin adjective “ latus ”, meaning “broad”, referring to the broad brown band at proximal end of the abdomen. Diagnosis. The new species resembles Mughiphantes jaegeri Tanasevitch, 2006 (Figs 213, 214; Tanasevitch, 2006, figs 25–28), but can be distinguished by the distal part of paracymbium C-shaped, where the distal tip touches the retrolateral margin of cymbium in M. latus sp. nov. (Fig. 213B), whereas V-shaped, and the tip of the paracymbium does not touch the retrolateral margin of cymbium in M. jaegeri (Tanasevitch, 2006, fig. 25). Lamella characteristca with two branches in M. latus sp. nov. (Fig. 213A–C), whereas with three branches in M. jaegeri (Tanasevitch, 2006, fig. 25). Proximal cymbial apophysis somewhat rectangular in M. latus sp. nov. (Fig. 213B, D), whereas V-shaped in M. jaegeri (Tanasevitch, 2006, fig. 25). Posterior median plate rectangular with a depression posteriorly in M. latus sp. nov. (Fig. 214C), whereas V-shaped in M. jaegeri (Tanasevitch, 2006, fig. 28). Description. Male (holotype, Fig. 215A, B): Total length: 1.95. Carapace 0.84 long, 0.70 wide, brown, lateral margin dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.23 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances:AME 0.06, ALE 0.06, PME 0.06, PLE 0.05, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.05, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.31, PLE–PLE 0.32, ALE–PLE contiguous. Length of legs: I 3.13 (0.84, 0.99, 0.73, 0.57), II 2.92 (0.81, 0.92, 0.68, 0.51), III 2.21 (0.64, 0.68, 0.51, 0.38), IV 2.84 (0.82, 0.85, 0.70, 0.47). Leg formula I-II-IV-III. Tm I 0.31. Tibial spine formula: 2-2-2-2. Abdomen 1.11 long, 0.75 wide, oval, pale, proximal end with a broad brown patch followed by irregularly scattered white patches; lateral sides with four white patches; ventral side brown. Palp (Fig. 213A–D): Patella shorter than tibia with a long dorsal spine; tibia conic, with two retrolateral and a dorsal trichobothria; proximal cymbial apophysis somewhat rectangular with a small depression on the lateral margin. The distal part of paracymbium C-shaped, where the distal tip touches the retrolateral margin of cymbium. Lamella characteristca with two branches; proximal branch broad and the distal branch long with pointed end. Female (one of the paratypes, Fig. 215C, D): Total length: 1.98. Carapace 0.70 long, 0.66 wide, redish brown, lateral margin dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.23 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.07, PLE 0.07, AME–AME 0.02, PME–PME 0.03, AME–ALE, 0.05, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.30, PLE–PLE 0.33, ALE–PLE contiguous. Length of legs: I 3.27 (0.88, 1.03, 0.81, 0.55), II 3.02 (0.83, 0.94, 0.71, 0.54), III 2.31 (0.67, 0.72, 0.53, 0.39), IV 2.93 (0.86, 0.93, 0.71, 0.43). Leg formula I-II-IV-III. Tm I 0.24. Tibial spine formula: 2-2-2-2. Abdomen 1.28 long, 0.87 wide, oval, pale, proximal end with a broad brown patch followed by irregularly scattered white patches; lateral sides with four white patches; ventral side brown. Epigyne (Fig. 214A–C): Pseudoscape widened in middle part. Stretcher rounded. Posterior median plate broad, somewhat rectangular with a depression posteriorly. Spermathecae curved, situated dorso-laterally. Distribution. Known only from the type locality (Fig. 216). Genus Nasoona Locket, 1982 (ẆƦø)

Bathyphantes ansulis sp. nov. (NḦDzƦ) Figures 30–32, 41 Types. Holotype ♂, CHINA, Yunnan; Tengchong County, Wuhe Township, Tongjia dauzhuang Village, Longchuanjiang river (Longjiang bridge), 24.89284°N, 98.67439°E, alt. 1210m, along the river, 24 May 2005, Heng-mei Yan and Ke-ji Guo. leg. (GKJ020). Paratype: 1♀, same data as holotype (GKJ020). Etymology. This epithet derives from the Latin adjective “ ansula ”, meaning “hook” and referring to the hook-shaped paracymbium in male palp. Diagnosis. The new species resembles Bathyphantes eumenis (L. Koch, 1879) in having similar paracymbium in male palp and long scape in epigyne (Figs 30A–D, 31A–C; Tao, Li & Zhu, 1995, fig. 114, Ivie, 1969, fig. 41), but can be distinguished by the embolus being slightly curved and not in a circle, pointing towards reterolateral side in B. ansulis sp. nov. (Fig. 30A–C), whereas the embolus forms a complete circle and points towards the cymbium in B. eumenis (Ivie, 1969, figs 40, 41). The anterior projection of embolic plate is retained below the cymbium apex in B. ansulis sp. nov. (Fig. 30A–C), whereas it protrudes above the cymbium apex in B. eumenis (Ivie, 1969, figs 40, 41). Epigyne: the scape wider basally and partly covering the parmula in ventral view in B. ansulis sp. nov. (Fig. 31A, B), whereas consistent in width and completely covering the parmula in B. eumenis (Tao et al. 1995, fig. 114, Ivie, 1969, fig. 42). Copulatory ducts forming a single loop before joining to the spermathecae in in B. ansulis sp. nov. (Fig. 31B, C), whereas two loops in B. eumenis (Tao et al. 1995, fig. 116). Description. Male (holotype, Fig. 32A, B): Total length: 1.79. Carapace 0.86 long, 0.64 wide, the cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.19 high. Sternum longer than wide, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight and slightly wider than AER. Eye sizes and interdistances: AME 0.04, ALE 0.08, PME 0.07, PLE 0.07, AME–AME 0.03, PME–PME 0.04, AME–ALE, 0.04, PME–PLE 0.05, ALE–ALE 0.30, PLE–PLE 0.33, ALE–PLE contiguous. Length of legs: I 3.49 (0.98, 1.12, 0.78, 0.61), II 3.16 (0.92, 1.02, 0.70, 0.52), III 2.51 (0.72, 0.79, 0.57, 0.43), IV 3.14 (0.94, 0.96, 0.73, 0.51). Leg formula I-II-IV-III. Tm I 0.45 and Tm IV 0.38. Tibial spine formula: 2-2-2-2. Abdomen 0.93 long, 0.54 wide, oval, dorsally with distinct patterns of alternative dark greenish and light patches extending from the anterior margin of abdomen to the base of spinnerets, ventral side dark without any marking. Palp(Fig.30A–D):Tibia conic,with one retrolateral and one dorsal trichobothria, covered by short or long spine-like hairs. Paracymbium J-shaped, sclerotized, distal tip curved into hook; tegulum with a prominent bulge on ectal side; most of the distal suprategular apophysis covered by the tegulum in reterolateral view, with a pointed end; median membrane extending out through the base of embolic plate and thread-like projections on prolateral surface of apical portion; embolic plate highly sclerotized, broad; dorsal projection of embolic plate slightly overlapping the cymbium; anterior projection of embolic plate thick, with pointed end touches the embolus, ventral process of lamella curved, protruding upward, with blunt end; embolus thick, highly sclerotized, slightly curved. Female (paratype, Fig. 32C, D): Total length: 2.4. Carapace 0.91 long, 0.66 wide, the cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.19 high. Sternum longer than wide, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight and slightly wider than AER. Eye sizes and interdistances: AME 0.04, ALE 0.08, PME 0.07, PLE 0.07, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.05, PME–PLE 0.07, ALE–ALE 0.31, PLE–PLE 0.34, ALE–PLE contiguous. Length of legs: I 3.45 (1, 1.07, 0.76, 0.62), II 2.93 (0.82, 0.88, 0.66, 0.57), III 2.6 (0.81, 0.75, 0.58, 0.46), IV 3.06 (0.95, 0.94, 0.64, 0.53). Leg formula I-IV-II-III. Tm I 0.48 and Tm IV 0.36. Tibial spine formula: 2-2-2-2. Abdomen 1.49 long, 0.98 wide, oval, dorsally with distinct patterns of alternative dark greenish and light patches extending from the anterior margin of abdomen to the base of spinnerets, ventral side dark without any marking. Epigyne (Fig. 31A–C): Ventral plate simple; scape Finger-like, proximal end wider than distal tip, parmula short and most of it covered by scape; copulatory openings present in the atrium; copulatory ducts forming a single loop before joining to the spermathecae; spermathecae globular, present at the apex of the dorsal plate; fertilization ducts extending mesally. Distribution. Known only from the type locality (Fig. 41)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 27-40, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Koch, L. (1879) Arachniden aus Sibirien und Novaja Semlja, eingesammelt von der schwedischen Expedition im Jahre 1875. Kongliga Svenska Vetenskaps - Akademiens Handlingar, 16 (5), 1 - 136.","Tao, Y., Li, S. Q. & Zhu, C. D. (1995) Linyphiid spiders of Changbai Mountains, China (Araneae, Linyphiidae, Linyphiinae) Beitrage zur Araneologie, 4, 241 - 288.","Ivie, W. (1969) North American spiders of the genus Bathyphantes (Araneae, Linyphiidae) American Museum Novitates, 2364, 1 - 70."]}

Collinsia denticulata sp. nov. (dzũHƦ) Figures 64–67, 71 sclerotized, curved towards ventral and backward to the dorsal side, distal part with broad D-shaped lobe. Female. Unknown. Distribution. Known only from the type locality (Fig. 60)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 58, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Prosoponoides yakouensis sp. nov. (ƋnAEƦ) Figures 278, 279, 286 Types. Holotype ♀, CHINA, Yunnan, Fugong County, Lishadi Yakou, 25.21136ºN, 98.69651ºE, 3611m, 5 October 2007, Xian-jin Peng leg. (20071005). Paratype: 1♀, same data as holotype (20071005). Etymology. This epithet derives from the type locality. Diagnosis. The new species can be distinguished from all other congeners by the spermathecae bean-shaped and parmula D-shaped (Fig. 278A–D). Description. Female (holotype, Fig. 279A, B): Total length: 2.34. Carapace 0.81 long, 0.74 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.21 high. Sternum longer than wide, brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.07, PLE 0.07, AME–AME 0.04, PME–PME 0.05, AME–ALE, 0.06, PME–PLE 0.07, AME–PME 0.08, ALE–ALE 0.37, PLE–PLE 0.39, ALE–PLE contiguous. Length of legs: I 3.41 (0.96, 1.07, 0.81, 0.57), II 3.01 (0.83, 0.96, 0.71, 0.51), III 2.09 (0.61, 0.65, 0.51, 0.32), IV 2.81 (0.84, 0.87, 0.67, 0.43). Leg formula I-II-IV-III. Tm I 0.38 and Tm IV 0.23. Tibial spine formula: 2-2-2-2. Abdomen 1.53 long, 0.74 wide, cylindriform, gray, densely covered with white patches; ventral side light brown. Epigyne (Fig. 278A–D): Posteriorly with two openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula Dshaped projecting posteriorly from the dorsal plate with a large pit ventrally. Vulva: wider than long, entrance grooves started from ventral wall, with about half coil, turning points and spermathecae present dorso-mesally on apices; spermathecae bean-shaped, curved, pointing towards each other; fertilization ducts long, present dorsolaterally, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 286).

Molestia caudatus sp. nov. (ÃĢƦ) Figures 204–207, 212 Types. Holotype ♂, CHINA, Yunnan, Fugong County, Lumadeng Township, Shibali forest station trap area, 27.16636°N, 98.77667°E, alt. 2563m, 4 May 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY28). Paratypes: 1♂ 3♀, same data as holotype (CGY28). Etymology. This epithet derives from the Latin adjective “ caudatus ”, meaning “tail”, referring to the cymbium having a long tail-shaped proximal cymbial apophysis in the male palp. Diagnosis. The female of new species resembles that of Molestia molestus (Tao, Li & Zhu, 1995) in having a similar scape which has lateral pockets on inner surface (Fig. 206C, D; Tu et al. 2006, figs 37–40), but can be distinguished by the spermathecae situated dorso-laterally, pointing away from each other in M. caudatus sp. nov. (Fig. 206D), whereas situated dorso-mesally, pointing towards each other in M. molestus (Tu et al. 2006, figs 37, 39). Posterior median plate trapezoid in M. caudatus sp. nov. (Fig. 206D), whereas round in M. molestus (Tu et al. 2006, fig. 39). Male of Molestia can be diagnosed by the terminal apophysis sclerotized, large with teeth; lamella characteristca relatively robust without lamellar projections; embolus proper relatively broad (Figs 204A– D, 205A–D). Description. Male (holotype, Fig. 207A–C): Total length: 1.96. Carapace 0.87 long, 0.71 wide, brown; fovea, cervical and radial grooves distinct. Clypeus 0.21 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and two retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.04, ALE 0.07, PME 0.06, PLE 0.07, AME–AME 0.02, PME–PME 0.03, AME–ALE, 0.04, PME–PLE 0.05, AME–PME 0.08, ALE–ALE 0.30, PLE–PLE 0.31, ALE–PLE contiguous. Length of legs: I 3.38 (0.89, 1.09, 0.79, 0.61), II 2.89 (0.81, 0.91, 0.65, 0.52), III 2.24 (0.61, 0.70, 0.52, 0.41), IV 2.99 (0.82, 0.96, 0.69, 0.52). Leg formula I-IV-II-III. Tm I 0.36, Tm IV absent. Tibial spine formula: 2-2-2-2. Abdomen 1.08 long, 0.66 wide, oval, greenish-grey, posteriorly with three chevrons; ventral side greenish-grey. Palp (Figs 204A–D, 205A–D): Patella shorter than tibia with a long dorsal spine; tibia conic, distal margin much wider than proximal one, with two retrolateral and a dorsal trichobothria; proximal cymbial apophysis long, tail-shaped. Basal part of paracymbium with a somewhat triangular projection with sharp pointed end; distal arm grooved, with finger-like tip. Tegulum with a pointed outgrowth on ventral side. Distal suprategular apophysis relatively sclerotized, with blunt end. Lamella characteristca relatively robust without lamellar projections. Fickert’s gland present within radix. Terminal apophysis sclerotized, longer than wide, with woodpecker head shaped distal end. Embolus proper broad at base with distal pointed end. Female (one of the paratypes, Fig. 207D–F): Total length: 1.95. Carapace 0.81 long, 0.64 wide, yellow; fovea, cervical and radial grooves distinct. Clypeus 0.19 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth.AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.03, ALE 0.06, PME 0.07, PLE 0.06, AME–AME 0.03, PME–PME 0.04, AME–ALE, 0.04, PME–PLE 0.04, AME–PME 0.07, ALE–ALE 0.28, PLE–PLE 0.30, ALE–PLE contiguous. Length of legs: I 3.08 (0.84, 0.99, 0.70, 0.55), II 2.72 (0.74, 0.87, 0.61, 0.50), III 2.22 (0.66, 0.68, 0.49, 0.39), IV 2.90 (0.84, 0.92, 0.64, 0.50). Leg formula I-IV-II-III. Tm I 0.33, Tm IV absent. Tibial spine formula: 2-2-2-2. Abdomen 1.30 long, 0.86 wide, oval, greenish-grey, posteriorly with three chevrons; ventral side greenish-grey. Epigyne (Fig. 206A–D): Scape broad, round, with lateral pockets on inner surface.Stretcher absent. Posterior median plate broad, trapezoid. Spermathecae situated dorso-laterally, pointing away from each other. Distribution. Known only from the type locality (Fig. 212). Molestia hamifer (Simon, 1884) comb. nov. (ÂNĢƦ) Figures 208, 209, 212 Lepthyphantes minhenensis Zhu & Li, 1983b: 145, fig. 3a–c (Df). Lepthyphantes hamifer Simon, 1884a: 285, figs 40–42 (Dmf); Zhu & Zhang, 2011: 130, fig. 82A–D (mf). For full list of publications and synonyms concerning this species see World Spider Catalog (2022). Material examined. 3♂ 2♀, CHINA, Yunnan, Fugong County, Pihe Township, Bacun river, south shore, 1.96 these characteristics, Lepthyphantes hamifer Simon, 1884 best fits in genus Molestia and proposed here as Molestia hamifer (Simon, 1884) comb. nov.., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 174-177, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Tao, Y., Li, S. Q. & Zhu, C. D. (1995) Linyphiid spiders of Changbai Mountains, China (Araneae, Linyphiidae, Linyphiinae) Beitrage zur Araneologie, 4, 241 - 288.","Simon, E. (1884 a) Les arachnides de France. Tome cinquieme, deuxieme et troisieme partie. Roret, Paris, pp. 180 - 885, pl. 26 - 27.","Zhu, C. D. & Li, Z. S. (1983 b) [Three new species of spiders of the genus Lepthyphantes and description of the male spider of L. denisi Schenkel (Araneae, Linyphiidae)]. Journal of the Bethune Medical University, 9 (suppl.), 144 - 147.","Zhu, M. S. & Zhang, B. S. (2011) Spider Fauna of Henan, Arachnida, Araneae. Science Press, Beijing, 558 pp."]}

Caviphantes catomidius sp. nov. (ƌḦgƮƦ) Figures 51–54, 57 Types. Holotype ♂, CHINA, Yunnan, Fugong County, 10 road km from Nujiang, on Shibali Rd on N fork, Yamu river, 27.13441°E, alt. 98.82622°E, alt. 1799m, 25 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY10). Paratypes: 3♂ 5♀, same data as holotype male (CGY10); 4♀, Fugong County, Lumadeng Township, 500 m radius of guesthouse at Shibali, 27.16519°N, 98.77891°E, alt. 2525m, 1–7 May 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY24); 1♀, 1.52 Km, 150° SW of Yamu river fork, S. fork of Yamu river, 27.11581°E, alt. 98.83143°E, alt. 1842m, 26 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY15); 1♂, Lushui County, Luzhang Township, Yaojiaping Forest Station, 25.97526°N, 98.71000°E, alt. 2515m, night collecting along the road, 20 May 2005, Ke-ji Guo leg. (GKJ013); 1♀, Gongshan County, Binzhongluo Township, Shijitong Village, 28.04650°N, 98.59151°E, alt. 1575m, 10–11 November 2004, Guo Tang leg. (Tang –04–10); 3♂ 9♀, Gongshan County, Gongdang, Shenshan mountain, 28.00930°N, 98.61505°E, alt. 2480–2500m, 9 October 2002, Heng-mei Yan leg. (Yan 021009); 1♀, Lushui County, Luomumuo Township, 27.16784°N, 98.71782°E, alt. 2682m, 3 May 2004, Guang-xu Peng (20040503–2); 1♀, Gongshan County, Dulongjiang Township, Xianjiudang Village, 27.92247°N, 98.33213°E, alt. 1634m, 4, 5 November 2004, Guo Tang leg. (Tang –04–07); Shilajia on N fork, Jamu river, 27.13440°N, 98.82625°E, alt. 1792m, 24 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY09); 1♀, Gongshan County, Bingzhongluo Township, Niwaluo, 28.03287°N, 98.56995°E, alt. 1862m, 15 August 2006, Peng Hu leg. (Hu 060815). Etymology. This epithet derives from the Latin adjective “ catomidio ”, meaning “whip” and refers to the whip-like embolus in the male palp. Diagnosis. This new species can be distinguished from all other congeners by the male cephalothorax bearing cephalic lobe (Fig. 54B), palpal tibia dorsally with broad projection and a horn-shaped highly sclerotized tooth (Figs 51B, D, 52A), convector long with pointed tip and proximal end with a hook-shaped projection (Figs 51A–C, 52C, D). Epigyne, ventral plate outline rectangular, posterior margin with a notch-like opening (Fig. 53A, B). Description. Male (holotype, Fig. 54A–C): Total length: 1.53. Carapace 0.67 long, 0.57 wide, with cephalic lobe 0.29 high, brown, dual-lobed with one on top of the other and both lobes possessing eyes; fovea, cervical and radial grooves distinct. Clypeus 0.21 high. Sternum longer than wide, yellowish, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. Eye region narrow, AER recurved, PME present on most dorsal cephalic lobe. Eye sizes and interdistances: AME 0.03, ALE 0.05, PME 0.05, PLE 0.05, AME–AME 0.02, PME–PME 0.09, AME–ALE, 0.01, PME–PLE 0.03, AME–PME 0.09, ALE–ALE 0.18, PLE–PLE 0.22, ALE–PLE contiguous. Length of legs: I 2.38 (0.68, 0.76, 0.56, 0.38), II2.39 (0.66, 0.77, 0.59, 0.37), III 2.27 (0.52, 058, 0.49, 0.28), IV 2.27 (0.63, 0.71, 0.59, 0.34). Leg formula II-I-IV-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 0.86 long, 0.59 wide, oval, brown, dorsally with distinct patterns, cardiac pattern bar-shaped, followed by two transverse chevrons, base of spinnerets brown, ventral side brown. Palp (Figs 51A–D, 52A–E): Patella as long as tibia, tibia with three thick spine-like hairs, distal end wider, dorsally with a broad projection pointed towards the cymbium and also with a highly sclerotized horn-shaped tooth. Paracymbium simple, small, distal arm with a blunt end; embolic division: median membrane completely covering the subtegulum and tegulum in unexpanded palp; convector sclerotized, proximal end with a hookshaped projection, long, tip with pointed end, touches the apex of cymbium; embolus whip-like, distal part covered by the convector. Female (paratype, Fig. 54D–F): Total length: 1.71. Carapace 0.66 long, 0.63 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.15 high. Sternum longer than wide, yellowish, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scapulae. Chelicerae with five promarginal and six retromarginal teeth. Eye region narrow, AER recurved. Eye sizes and interdistances: AME 0.04, ALE 0.05, PME 0.06, PLE 0.06, AME–AME 0.02, PME–PME 0.05, AME–ALE, 0.01, PME–PLE 0.03, AME–PME 0.04, ALE–ALE 0.21, PLE–PLE 0.26, ALE–PLE contiguous. Length of legs: I 2.39 (0.65, 0.78, 0.58, 0.38), II 2.93 (0.69, 0.77, 0.56, 0.37), III 1.99 (0.58, 0.63, 0.49, 0.29), IV 2.52 (0.76, 0.77, 0.62, 0.37). Leg formula II-IV-I-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 1.05 long, 0.75 wide, oval, pale, cardiac pattern greenish-grey, followed by two transverse chevrons, base of spinnerets black, ventral side pale. Epigyne (Fig. 53A–C): Ventral plate outline rectangular, posterior margin with a notch-like opening, copulatory openings posteriorly located; copulatory ducts form coiled spirals in the atrium before joining to the spermathecae; spermathecae globular, present on lateral sides of dorsal plate, separated by 2/3 distance of their diameter; fertilization ducts small, extending mesally. Distribution. Known only from the type locality (Fig. 57). Caviphantes pseudosaxetorum Wunderlich, 1979 (Ña gƮƦ) Figures 55–57 Caviphantes pseudosaxetorum Wunderlich, 1979 b: 87, figs 1–7 (Dmf); Lee et al. 2018: 139, fig. 1A–G (m). For full list of publications and synonyms concerning this species see World Spider Catalog (2022). Material examined. 1♀, CHINA, Yunnan, Forest along the shelf above Yamu river, 0.4 km SE Shibali, 27.16337°N, 98.78208°E, alt. 2475m, 8 May 2004, Charles Griswold and D. H. Kavanaugh and Heng-mei Yan leg. (CGY37). Distribution. China, Japan, Korea, Lebanon to India, Nepal, Russia (Kuril Is.). Genus Ceratinella Emerton, 1882 (ssẮƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 54-57, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Wunderlich, J. (1979) Linyphiidae aus Nepal, III. Die Gattungen Caviphantes Oi 1960 und Lessertiella Dumitrescu & Miller 1962 (Arachnida, Araneae) Senckenbergiana Biologica, 60, 85 - 89.","Lee, S. Y., Yoo, J. S., Song, J. H. & Kim, S. T. (2018) Three newly recorded Linyphiid spiders (Araneae, Linyphiidae) from Korea. Journal of Asia - Pacific Biodiversity, 11 (1), 138 - 142. https: // doi. org / 10.1016 / j. japb. 2017.11.003"]}

Cristatus anfractus sp. nov. (ỆRƦ) Figures 76–77, 82 Types. Holotype ♂, CHINA, Yunnan, Longyang County, Bawan Township, Nankang Yakou, 24.82587°N, 98.76832°E, alt. 2148m, beating vegetation in understory forest, 26 May 2005, Ke-ji Guo leg.(GKJ027). Paratypes: 2♀, same data as holotype (GKJ027); 1♀, Gongshan County, Dulongjiang Township, Kongdang Village, 27.87961°N, 98.33878°E, alt. 1527m, 25 October 2004, Guo Tang leg. (Tang–04–04). Etymology. This epithet derives from the Latin adjective “ anfractus ”, meaning “curved” and refers to the curved dorsal tibial apophysis in the male palp. Diagnosis. This new species can be distinguished from Cristatus makuensis sp. nov. by the male cephalic lobe abruptly elevated, with four long spines between the posterior median eyes in C. anfractus sp. nov. (Fig. 77A, C, D), whereas not as abruptly elevated, ocular region densely covered with microsetae in C. makuensis sp. nov. (Fig. 81A, B). The reterolateral tibial apophysis longer, protruding above the dorsal tibial apophysis in C. anfractus sp. nov. (Fig. 75A–D), whereas shorter and almost equal to the tip of dorsal tibial apophysis in C. makuensis sp. nov. (Fig. 78A–D). Scapoid tongue-shaped in C. anfractus sp. nov. (Fig. 76A, B), whereas thinner and finger-shaped in C. makuensis sp. nov. (Fig. 80A, B). Description. Male (holotype, Fig. 77A–D): Total length: 1.35. Carapace 0.69 long, 0.56 wide; cephalic lobe 0.28 long, abruptly elevated, with eyes, comprises of sulcus below the PMEs, clypeus and ocular quad presented with lots of macrosetae, four long thick macrosetae present between the PMEs, yellowish to brown; fovea, cervical and radial grooves distinct. Clypeus 0.19 high. Sternum wider than long, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae sclerotized, pale, with four promarginal and four retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances: AME 0.03, ALE 0.05, PME 0.05, PLE 0.04, AME–AME 0.04, PME–PME 0. 10, AME–ALE, 0.02, PME–PLE 0.07, AME–PME 0.12, ALE–ALE 0.24, PLE–PLE 0.25, ALE–PLE 0.01. Length of legs: I 2.47 (0.63, 0.78, 0.61, 0.45), II 2.38 (0.63, 0.76, 0.56, 0.43), III 1.93 (0.52, 0.61, 0.48, 0.32), IV 2.36 (0.64, 0.76, 0.59, 0.38). Leg formula I-II-IV-III. Tm I 0.28 and Tm IV 0.22. Patella with 2 spines. Tibial spines thick and long; tibial spine formula: 2-2-1-1. Abdomen 0.83 long, 0.59 wide, oval, pale, mid dorsally with a longitudinal greenish-grey band followed by three chevrons, ventral side pale. Palp (Fig. 75A–D): Patella as long as tibia; tibia with one reterolateral and one dorsal trichobothria, reterolateral apophysis sclerotized extending above the dorsal tibial apophysis; dorsal tibial apophysis black, sclerotized with teeth, anteriorly with a short black tooth in dorsal view; paracymbium sclerotized, hook-shaped, distal arm with tuft of spines, tip with a small slightly curved projection, proximal end of reterolateral margin of cymbium with a row of seven thick spines; distal suprategular apophysis proximally broad, sclerotized, tip slightly curved; tegulum with a tomb shaped transparent protegulum. Embolic division: radix sclerotized, broad, round; terminal apophysis short, slightly curved; embolus long, arises from inner lateral margin of the radix, distal end forming a coiled spiral around the protegulum. Female (one of paratypes, Fig. 77E, F): Total length: 1.51. Carapace 0.71 long, 0.60 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct, ocular region with long spines. Clypeus 0.24 high. Sternum longer than wide, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae sclerotized, yellow, with four promarginal and four retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances: AME 0.04, ALE 0.06, PME 0.05, PLE 0.05, AME–AME 0.03, PME–PME 0.07, AME–ALE, 0.01, PME–PLE 0.03, AME–PME 0.06, ALE–ALE 0.21, PLE–PLE 0.24, ALE–PLE contiguous. Length of legs: I 2.39 (0.70, 0.75, 0.59, 0.35), II 2.34 (0.66, 0.76, 0.56, 0.36), III 1.89 (0.53, 0.62, 0.43, 0.31), IV 2.32 (0.65, 0.74, 0.55, 0.37). Leg formula I-II-IV-III. Tm I 0.26 and Tm IV 0.21. Patella with 2 spines. Tibial spines thick and long; tibial spine formula: 2-2-1-1. Abdomen 1.04 long, 0.69 wide, oval, pale, mid dorsally with a longitudinal brownish-black band followed by two chevrons and a small brownish-black patch posteriorly, ventral side pale. Epigyne (Fig. 76A–C): Scapoid sclerotized, tongueshaped, longer than wide; ventral plate transparent, wider than long, round posteriorly. copulatory openings present at the junction of dorsal and ventral plate. Vulva: Dorsal plate wider than long; copulatory ducts simple, present mesally; spermathecae globular, separated by a distance of 2/3 of their diameter; fertilization ducts small, extending mesally. Distribution. Known only from the type locality (Fig. 82)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 69-72, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Himalaphantes auriculus sp. nov. (ĄĝẲĦƦ) Figures 136, 137, 146 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Cikai Township, Dabadi to Gongshan, along Pula River downward, 27.7945833°N, 98.5071389°E, 3025–3990m, 4 October 2002, Heng-mei Yan leg. (Yan021004). Paratypes: 1♀, same data as holotype female (Yan021004); 1♀, Cikai Township, Dabadi, North bank of Pula river, 27.78333°N, 98.51667°E, alt. 3030m, 28 September 2002, Heng-mei Yan leg. (Yan020928). Etymology. This epithet derives from the Latin adjective “ auricula ”, meaning “ear lobe”, referring to the scape lateral margin with an ear lobe-shaped outgrowth in the epigyne. Diagnosis. The new species resembles Himalaphantes fugongensis sp. nov. in having the similar spermathecae and posterior median plate in epigyne (Fig. 136A–C; Fig. 138A–C), but can be distinguished by the lateral lobes short in H. auriculus sp. nov. (Fig. 136A–C), whereas three times longer in H. fugongensis sp. nov. (Fig. 138A–C). The length of posterior margin of scape three and half times longer than the lateral lobe in H. auriculus sp. nov. (Fig. 136A–C), whereas the lateral lobe two and half times longer than the posterior margin of scape in H. fugongensis sp. nov. (Fig. 138A–C). Description: Female (holotype, Fig. 137A, B): Total length: 4.18; carapace 1.53 long, 1.09 wide, brown; cephalic region slightly elevated, with a brown band, lateral sides brown; fovea, cervical and radial grooves distinct. Clypeus 0.29 high. Sternum longer than wide, dark brown. Labium wider than long, brown. Maxillae long, distal end broad with scopulae. Chelicerae brown, with four promarginal and three retromarginal teeth. Eye region narrow,AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.09, ALE 0.12, PME 0.11, PLE 0.10, AME–AME 0.05, AME–ALE, 0.07, PME–PME 0.07, PME–PLE 0.07, AME–PME, 0.13, ALE–ALE 0.55, PLE–PLE 0.58, ALE–PLE 0.02. Legs with annuli; length of legs: I 8.77 (2.31, 2.92, 2.23, 1.31), II 7.31 (1.98, 2.43, 1.89, 1.01), III 4.57 (1.23, 1.49, 1.22, 0.63), IV 6.38 (1.78, 1.91, 1.74, 0.95); leg formula I-II-IV-III. Tm I 0.69 and Tm IV 0.46. Tibial dorsal spine formula: 2-2-2-2. Abdomen 2.65 long, 1.79 wide, oval, yellow, proximal end with a longitudinal band followed by irregular green patches extending posteriorly; ventral side green, with irregular greenish patches. Epigyne (Fig. 136A–C): Scape wider than long, with a deep depression posteriorly and a lateral lobe on each side; stretcher longer than wide with round end. copulatory openings present in lateral pockets. Entrance grooves sinuous. Posterior median plate trapezoid. Spermathecae relatively large, L-shaped. Male. Unknown. Distribution. Known only from the type locality (Fig. 146).

Gongylidium manibus sp. nov. (ṜḦAEƂƦ) Figures 117–119 Types. Holotype ♂, CHINA, Yunnan, Gongshan County, Dulongjiang Township, near San Dui, 27.71766°N, 100.26764’°E, alt. 2574m, 29 October 2004, V. F. Lee leg. (VFL –04–0009). Etymology. This epithet derives from the Latin adjective “ manibus ”, meaning “hand-like” and refers to the hand-like dorsal tibial apophysis in the male palp. Diagnosis. This new species can be distinguished from all other congeners by the dorsal tibial apophysis tip with seven teeth (Fig. 117B–D); embolus short, with pointed end (Fig. 117A–C). Description. Male (holotype, Fig. 118A, B): Total length: 2.09. Carapace 1.04 long, 0.81 wide; cephalic region slightly elevated, dark brown fovea, cervical and radial grooves distinct. Clypeus 0.17 high. Sternum longer than wide, dark brown. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances:AME 0.05, ALE 0.10, PME 0.09, PLE 0.09, AME–AME 0.02, PME–PME 0.08, AME– ALE, 0.02, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.32, PLE–PLE 0.36, ALE–PLE contiguous. Length of legs: I 3.27 (0.97, 1.01, 0.75, 0.54), II 3.07 (0.89, 0.99, 0.73, 0.46), III 2.62 (0.75, 0.85, 0.61, 0.41), IV 3.47 (0.97, 1.13, 0.85, 0.52). Leg formula IV-I-II-III. Tm I 0.38 and Tm IV 0.26. Tibial spine formula: 2-2-1-1. Abdomen 1.27 long, 0.78 wide, oval, brown, proximal end with a light gray longitudinal band followed by six transverse light gray patches posteriorly, ventral side light brown, densely covered with fine hairs. Palp (Fig. 117A–D): Patella shorter than tibia, curved mesally; tibia wider than long, with one retrolateral and one dorsal trichobothria, dorsal tibial apophysis sclerotized, tip with 7 teeth in ventral view; paracymbium sclerotized, U-shaped, distal arm broad with long spine; distal suprategular apophysis sclerotized, small, tip slightly grooved, with blunt end; tegulum almost round, with membranous protegulum. Lamella characteristca sclerotized, wider than long with blunt end anteriorly, tapering towards tip, posterior end slightly curved. Embolic membrane small with serrated end. Embolus sclerotized, short, tip slightly curved with pointed end. Female. Unknown. Distribution. Known only from the type locality (Fig. 119)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 101, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Prosoponoides minutus sp. nov. (ḿAEƦ) Figures 270–273, 286. Types. Holotype ♂, CHINA, Yunnan, Gongshan County, Qiqi Dongshaofang, 27.69521ºN, 98.48514ºE, 3208m, 29 September 2007, Xian-jin Peng leg. (20070929). Paratypes: 7♂ 3♀, same data as holotype male (20070929); 2♂ 1♀, Gongshan County, Dabadi to Yakou, along the tunnel, 27.7898889°N, 98.4510278°E –27.7961944°N, 98.4545278°E, 2984m, 02 October 2002, Heng-mei Yan leg. (Yan 021002); 2♂, Fugong County, 18km, Lumadeng, Yama river bridge, 25.13561°N, 98.84166°E, alt. 1612m, 7 October 2007, Xian-jin Peng leg. (20071007); 1♂, Gongshan County, Bingzhongluo Township, Gemalaka, 27.98139ºN, 98.48134ºE, 4000m, 20 August 2006, Peng Hu leg. (Hu 060820); 1♀, Gongshan County, Bingzhongluo Township, Gemalaka 27.98631ºN, 98.47069ºE, 3808m, 21 August 2006, Peng Hu leg. (Hu 060820); 1♀, Gongshan County, Cikai Township, Dahaituo, 27.78440°N, 98.46038°E, alt. 3363m, 13 August 2006, Peng Hu leg. (Hu 060813); 5♀, Fugong County, Pihe Township, Yueliangtian Village, 26.56784°N, 98.90884°E, alt. 1520m, 20, 23, 24 August 2005, Guo Tang leg. (Tang –05–08). Etymology. This epithet derives from the Latin adjective “ minutus ”, meaning “small” and refers to the small body size of this spider. Diagnosis. The new species can be distinguished from all other congeners by the tip of distal suprategular apophysisrectangular,mesallygrooved;anteriorprojection of lamella characteristca absent; lateral projection of lamella characteristca sharp, slightly curved with pointed end (Figs 270A, B, D, 271); Entrance grooves with one coil, spermathecae tongue-shaped (Fig. 272B, C). Description. Male (holotype, Fig. 273A, B): Total length: 1.62. Carapace 0.77 long, 0.71 wide; cephalic region slightly elevated yellow; cervical and radial grooves distinct. Clypeus 0.14 high. Sternum cordiform, yellow. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and three retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.05, PME 0.05, PLE 0.06, AME–AME 0.02, PME–PME 0.05, AME–ALE, 0.05, PME–PLE 0.06, AME–PME 0.05, ALE–ALE 0.29, PLE–PLE 0.30, ALE–PLE contiguous. Length of legs: I 3.72 (1, 1.1, 1.01, 0.61), II 3.29 (0.93, 0.97, 0.88, 0.51), III 2.15 (0.66, 0.62, 0.52, 0.35), IV 2.82 (0.81, 0.84, 0.72, 0.45). Leg formula I-II-IV-III. Tm I 0.31 and Tm IV 0.18. Tibial spine formula: 2-2-2-2. Abdomen 0.96 long, 0.64 wide, oval, pale, with white patches dorsally; ventral side pale. Palp (Figs 270A–D, 271): Patella shorter than tibia; tibia with two retrolateral and a dorsal trichobothria; paracymbium sclerotized, U-shaped; tegulum sclerotized, excavated ventrally; distal suprategular apophysis rectangular, distal part mesally grooved. Lamella characteristca with three well developed apophyses; lateral projection longer than wide, slightly curved, extending forward; the anterior projection absent; dorsal projection short, slightly curved and the posterior projection relatively long with pointed end. Embolic membrane broad, extending forward. Embolus sclerotized, slightly curved, projecting upward. Female (one of paratypes, Fig. 273C, D): Total length: 2.33. Carapace 0.88 long, 0.68 wide; cephalic region slightly elevated, yellow; cervical and radial grooves distinct. Clypeus 0.16 high. Sternum cordiform, yellow. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.05, PME 0.05, PLE 0.05, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.05, PME–PLE 0.06, AME–PME 0.05, ALE–ALE 0.31, PLE–PLE 0.33, ALE–PLE contiguous. Length of legs: I 3.12 (0.83, 0.96, 0.79, 0.54), II 2.84 (0.80, 0.87, 0.68, 0.49), III 1.91 (0.59, 0.54, 0.43, 0.35), IV 2.53 (0.76, 0.75, 0.61, 0.41). Leg formula I-II-IV-III. Tm I 0.36 and Tm IV 0.21. Tibial spine formula: 2-2-2-2. Abdomen 0.88 long, 0.68 wide, oval, pale, with white patches dorsally; ventral side pale. Epigyne (Fig. 272A–C): Posteriorly with two openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula wider than long, with a socket ventrally. Vulva: wider than long, entrance grooves started from ventral wall, with one coil, turning points and spermathecae present dorso-mesally on apices; spermathecae tongue-shaped, pointing away from each other; fertilization ducts long, present dorsolaterally, extending upward. Distribution. Known only from the type locality (Fig. 286).

Auricula gen. nov. (ĄḋƦø) Type species: Auricula triangulara sp. nov. (ΞssĄḋƦ) Etymology. The genus name comes from the Latin noun “ Auricula ”, meaning “lobe” and referring to the cephalic lobe in male. Gender is masculine. Diagnosis. Auricula gen. nov. can be distinguished from any other Erigoninae genus by cephalic region of male with cephalic lobe (Figs 19B, 28B); tibia with a long, broad reterolateral tibial apophysis, overlapping the basal part of cymbium in reterolateral view (Figs 17B–D, 24B–D), protegulum long, transparent, distal end curved, protruding above the apex of cymbium (Figs 17B, D, 24B, D); terminal apophysis robust, J-shaped (Figs 17A, B, D, 24A, B, D), radix with anterior radial process, hidden on unexpanded palp (Figs 17A, B, D, 24A, B, D, 25A–D). Epigyne resembles that of the genus Gongylidioides Oi, 1960 in having the similar copulatory ducts (Figs 18A–C, 20A–C, 22A–C, 27A–C; Tu and Li, 2006, figs 1–4, 6) and the dorsal and ventral plates connected posteriorly, but can be distinguished by the the dorsal plate with a depression mesally (Figs 18A–C, 20A–C, 22A–C, 27A– C): Copulatory openings present at the base of septum posteriorly (Figs 20A, B, 22A, B, 27A, B), except in Auricula aeda sp. nov. copulatory openings present ventro-laterally (Fig. 18A, B).

Prosoponoides pianmaensis sp. nov. (ÉḚAEƦ) Figures 274, 286 Types. Holotype ♀, CHINA, Yunnan, Lushui County, Pianma Township, 0–4.0 km E of Sancha Lukou, 26.12218°N, 98.57546°E to 26.11750°N, 98.59509°E, alt. 1625–1785m, 16 May 2005, D. H. Kavanaugh, Charles Griswold, Da-zhi Dong and Ke-ji Guo leg. (2005–012A). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Prosoponoides dongshaofangensis sp. nov. in having a similar scape and entrance groove with about one half coil (Fig. 274B–D; Fig. 261A–C). It can be distinguised by the spermathecae C-shaped, pointing posteriorly towards the parmula in P. pianmaensis sp. nov. (Fig. 274C), whereas thumb-shaped, pointing anteriorly in P. dongshaofangensis sp. nov. (Fig. 261C). Description. Female (holotype, Fig. 274A): Total length: 2.98. Carapace 1.27 long, 0.91 wide; cephalic region slightly elevated, yellowish brown; fovea, cervical and radial grooves distinct. Clypeus 0.11 high. Sternum longer than wide, light brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.09, PME 0.07, PLE 0.08, AME–AME 0.05, PME–PME 0.07, AME–ALE, 0.09, PME–PLE 0.08, AME–PME 0.09, ALE–ALE 0.44, PLE–PLE 0.47, ALE–PLE contiguous. Length of legs: I 5.04 (1.46, 1.56, 1.34, 0.68), II 4.46 (1.37, 1.32, 1.1, 0.60), III 2.9 (0.99, 0.83, 0.68, 0.45), IV 4.06 (1.19, 1.21, 1.05, 0.61). Leg formula I-II-IV-III. Tm I 0.33 and Tm IV 0.21. Tibial spine formula: 2-2-2-2. Abdomen 1.71 long, 1.28 wide, oval, dorsum gray, with a longitudinal black gray band, densely covered with white patches; ventral side light brown. Epigyne (Fig. 274B–D): Posteriorly with two oval openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula round extending posteriorly from the dorsal plate, with a large pit ventrally. Vulva: wider than long, entrance grooves started from ventral wall, with about one half coil, turning points and spermathecae present dorso-mesally on apices; spermathecae C-shaped, curved, pointing away from each others; fertilization ducts long, present dorso-laterally, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 286).

Himalaphantes auriculus sp. nov. (ĄĝẲĦƦ) Figures 136, 137, 146 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Cikai Township, Dabadi to Gongshan, along Pula River downward, 27.7945833°N, 98.5071389°E, 3025–3990m, 4 October 2002, Heng-mei Yan leg. (Yan021004). Paratypes: 1♀, same data as holotype female (Yan021004); 1♀, Cikai Township, Dabadi, North bank of Pula river, 27.78333°N, 98.51667°E, alt. 3030m, 28 September 2002, Heng-mei Yan leg. (Yan020928). Etymology. This epithet derives from the Latin adjective “ auricula ”, meaning “ear lobe”, referring to the scape lateral margin with an ear lobe-shaped outgrowth in the epigyne. Diagnosis. The new species resembles Himalaphantes fugongensis sp. nov. in having the similar spermathecae and posterior median plate in epigyne (Fig. 136A–C; Fig. 138A–C), but can be distinguished by the lateral lobes short in H. auriculus sp. nov. (Fig. 136A–C), whereas three times longer in H. fugongensis sp. nov. (Fig. 138A–C). The length of posterior margin of scape three and half times longer than the lateral lobe in H. auriculus sp. nov. (Fig. 136A–C), whereas the lateral lobe two and half times longer than the posterior margin of scape in H. fugongensis sp. nov. (Fig. 138A–C). Description: Female (holotype, Fig. 137A, B): Total length: 4.18; carapace 1.53 long, 1.09 wide, brown; cephalic region slightly elevated, with a brown band, lateral sides brown; fovea, cervical and radial grooves distinct. Clypeus 0.29 high. Sternum longer than wide, dark brown. Labium wider than long, brown. Maxillae long, distal end broad with scopulae. Chelicerae brown, with four promarginal and three retromarginal teeth. Eye region narrow,AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.09, ALE 0.12, PME 0.11, PLE 0.10, AME–AME 0.05, AME–ALE, 0.07, PME–PME 0.07, PME–PLE 0.07, AME–PME, 0.13, ALE–ALE 0.55, PLE–PLE 0.58, ALE–PLE 0.02. Legs with annuli; length of legs: I 8.77 (2.31, 2.92, 2.23, 1.31), II 7.31 (1.98, 2.43, 1.89, 1.01), III 4.57 (1.23, 1.49, 1.22, 0.63), IV 6.38 (1.78, 1.91, 1.74, 0.95); leg formula I-II-IV-III. Tm I 0.69 and Tm IV 0.46. Tibial dorsal spine formula: 2-2-2-2. Abdomen 2.65 long, 1.79 wide, oval, yellow, proximal end with a longitudinal band followed by irregular green patches extending posteriorly; ventral side green, with irregular greenish patches. Epigyne (Fig. 136A–C): Scape wider than long, with a deep depression posteriorly and a lateral lobe on each side; stretcher longer than wide with round end. copulatory openings present in lateral pockets. Entrance grooves sinuous. Posterior median plate trapezoid. Spermathecae relatively large, L-shaped. Male. Unknown. Distribution. Known only from the type locality (Fig. 146)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 119-121, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Gongylidium manibus sp. nov. (ṜḦAEƂƦ) Figures 117–119 Types. Holotype ♂, CHINA, Yunnan, Gongshan County, Dulongjiang Township, near San Dui, 27.71766°N, 100.26764’°E, alt. 2574m, 29 October 2004, V. F. Lee leg. (VFL –04–0009). Etymology. This epithet derives from the Latin adjective “ manibus ”, meaning “hand-like” and refers to the hand-like dorsal tibial apophysis in the male palp. Diagnosis. This new species can be distinguished from all other congeners by the dorsal tibial apophysis tip with seven teeth (Fig. 117B–D); embolus short, with pointed end (Fig. 117A–C). Description. Male (holotype, Fig. 118A, B): Total length: 2.09. Carapace 1.04 long, 0.81 wide; cephalic region slightly elevated, dark brown fovea, cervical and radial grooves distinct. Clypeus 0.17 high. Sternum longer than wide, dark brown. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances:AME 0.05, ALE 0.10, PME 0.09, PLE 0.09, AME–AME 0.02, PME–PME 0.08, AME– ALE, 0.02, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.32, PLE–PLE 0.36, ALE–PLE contiguous. Length of legs: I 3.27 (0.97, 1.01, 0.75, 0.54), II 3.07 (0.89, 0.99, 0.73, 0.46), III 2.62 (0.75, 0.85, 0.61, 0.41), IV 3.47 (0.97, 1.13, 0.85, 0.52). Leg formula IV-I-II-III. Tm I 0.38 and Tm IV 0.26. Tibial spine formula: 2-2-1-1. Abdomen 1.27 long, 0.78 wide, oval, brown, proximal end with a light gray longitudinal band followed by six transverse light gray patches posteriorly, ventral side light brown, densely covered with fine hairs. Palp (Fig. 117A–D): Patella shorter than tibia, curved mesally; tibia wider than long, with one retrolateral and one dorsal trichobothria, dorsal tibial apophysis sclerotized, tip with 7 teeth in ventral view; paracymbium sclerotized, U-shaped, distal arm broad with long spine; distal suprategular apophysis sclerotized, small, tip slightly grooved, with blunt end; tegulum almost round, with membranous protegulum. Lamella characteristca sclerotized, wider than long with blunt end anteriorly, tapering towards tip, posterior end slightly curved. Embolic membrane small with serrated end. Embolus sclerotized, short, tip slightly curved with pointed end. Female. Unknown. Distribution. Known only from the type locality (Fig. 119).

Prosoponoides dongshaofangensis sp. nov. (ŤḌƟAE Ʀ) Figures 261, 262, 269 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Qiqi Dongshaofang, 27.69521ºN, 98.48514ºE, 3208m, 29 September 2007, Xian-jin Peng leg. (20070929). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Prosoponoides pianmaensis sp. nov. in having a similar scape and with about half entrance groove (Fig. 261A–C; Fig. 273B–D). It can be distinguised by the spermathecae thumb-shaped and pointing anteriorly in P. dongshaofangensis sp. nov. (Fig. 261C), whereas C-shaped and pointing posteriorly in P. pianmaensis sp. nov. (Fig. 273B–D). Description. Female (holotype, Fig. 262A, B): Total length: 2.20. Carapace 0.97 long, 0.87 wide; cephalic region slightly elevated, yellow; cervical and radial grooves distinct. Clypeus 0.14 high. Sternum longer than wide, yellow. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and three retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.05, PLE 0.06, AME–AME 0.04, PME–PME 0.06, AME–ALE, 0.07, PME–PLE 0.08, AME–PME 0.08, ALE–ALE 0.37, PLE–PLE 0.41, ALE–PLE contiguous. Length of legs: I 4.16 (1.09, 1.29, 1.09, 0.69), II 3.66 (1.08, 1.15, 0.88, 0.55), III 2.35 (0.74, 0.76, 0.53, 0.32), IV 3.33 (1.06, 0.95, 0.83, 0.49). Leg formula I-II-IV-III. Tm I 0.36 and Tm IV 0.22. Tibial spine formula: 2-2-2- 2. Abdomen 1.44 long, 1.08 wide, oval, black; ventral side brown. Epigyne (Fig. 261A–C): Posteriorly with two oval openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula round, projecting posteriorly from the dorsal plate, with a large pit ventrally. Vulva: wider than long, entrance grooves started from ventral wall, with about half coil, turning points and spermathecae present dorso-mesally on apices; spermathecae thumb-shaped, pointing anteriorly; fertilization ducts long, present dorso-laterally, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 269)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 219, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Mughiphantes latus sp. nov. (ŽƱƉƦ) Figures 213–216 Types. Holotype ♂, CHINA, Yunnan, Fugong County, 18km, Lumadeng, Yama river bridge, 25.13561°N, 98.84166°E, alt. 1612m, 7 October 2007, Xian-jin Peng leg. (20071007); Paratypes: 9♂ 17♀, same data as holotype (20071007); 1 ♂ 3♀, Gongshan County, Qiqi Dongshaofang, 27.69521°N, 98.48514°E, alt. 3208m, 29 September 2007, Xian-jin Peng leg. (20070929); 1♀, Gongshan County, Cikai Township, Dabadi troops place south bank of Pula river, 29 September 2002, Heng-mei Yan leg. (Yan 020929); 2♀, 12km of Yaping to Yakou, 27.1998°N, 98.71375°E, alt. 3210m, 25 April 2004, Heng-mei Yan leg. (20040425). Etymology. This epithet derives from the Latin adjective “ latus ”, meaning “broad”, referring to the broad brown band at proximal end of the abdomen. Diagnosis. The new species resembles Mughiphantes jaegeri Tanasevitch, 2006 (Figs 213, 214; Tanasevitch, 2006, figs 25–28), but can be distinguished by the distal part of paracymbium C-shaped, where the distal tip touches the retrolateral margin of cymbium in M. latus sp. nov. (Fig. 213B), whereas V-shaped, and the tip of the paracymbium does not touch the retrolateral margin of cymbium in M. jaegeri (Tanasevitch, 2006, fig. 25). Lamella characteristca with two branches in M. latus sp. nov. (Fig. 213A–C), whereas with three branches in M. jaegeri (Tanasevitch, 2006, fig. 25). Proximal cymbial apophysis somewhat rectangular in M. latus sp. nov. (Fig. 213B, D), whereas V-shaped in M. jaegeri (Tanasevitch, 2006, fig. 25). Posterior median plate rectangular with a depression posteriorly in M. latus sp. nov. (Fig. 214C), whereas V-shaped in M. jaegeri (Tanasevitch, 2006, fig. 28). Description. Male (holotype, Fig. 215A, B): Total length: 1.95. Carapace 0.84 long, 0.70 wide, brown, lateral margin dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.23 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances:AME 0.06, ALE 0.06, PME 0.06, PLE 0.05, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.05, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.31, PLE–PLE 0.32, ALE–PLE contiguous. Length of legs: I 3.13 (0.84, 0.99, 0.73, 0.57), II 2.92 (0.81, 0.92, 0.68, 0.51), III 2.21 (0.64, 0.68, 0.51, 0.38), IV 2.84 (0.82, 0.85, 0.70, 0.47). Leg formula I-II-IV-III. Tm I 0.31. Tibial spine formula: 2-2-2-2. Abdomen 1.11 long, 0.75 wide, oval, pale, proximal end with a broad brown patch followed by irregularly scattered white patches; lateral sides with four white patches; ventral side brown. Palp (Fig. 213A–D): Patella shorter than tibia with a long dorsal spine; tibia conic, with two retrolateral and a dorsal trichobothria; proximal cymbial apophysis somewhat rectangular with a small depression on the lateral margin. The distal part of paracymbium C-shaped, where the distal tip touches the retrolateral margin of cymbium. Lamella characteristca with two branches; proximal branch broad and the distal branch long with pointed end. Female (one of the paratypes, Fig. 215C, D): Total length: 1.98. Carapace 0.70 long, 0.66 wide, redish brown, lateral margin dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.23 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.07, PLE 0.07, AME–AME 0.02, PME–PME 0.03, AME–ALE, 0.05, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.30, PLE–PLE 0.33, ALE–PLE contiguous. Length of legs: I 3.27 (0.88, 1.03, 0.81, 0.55), II 3.02 (0.83, 0.94, 0.71, 0.54), III 2.31 (0.67, 0.72, 0.53, 0.39), IV 2.93 (0.86, 0.93, 0.71, 0.43). Leg formula I-II-IV-III. Tm I 0.24. Tibial spine formula: 2-2-2-2. Abdomen 1.28 long, 0.87 wide, oval, pale, proximal end with a broad brown patch followed by irregularly scattered white patches; lateral sides with four white patches; ventral side brown. Epigyne (Fig. 214A–C): Pseudoscape widened in middle part. Stretcher rounded. Posterior median plate broad, somewhat rectangular with a depression posteriorly. Spermathecae curved, situated dorso-laterally. Distribution. Known only from the type locality (Fig. 216). Genus Nasoona Locket, 1982 (ẆƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 179-190, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Tanasevitch, A. V. (2006 b) On some Linyphiidae of China, mainly from Taibai Shan, Qinling Mountains, Shaanxi Province (Arachnida, Araneae) Zootaxa, 1325, 277 - 311. https: // doi. org / 10.11646 / zootaxa. 1325.1.18","Simon, E. (1884 a) Les arachnides de France. Tome cinquieme, deuxieme et troisieme partie. Roret, Paris, pp. 180 - 885, pl. 26 - 27.","Locket, G. H. (1982) Some linyphiid spiders from western Malaysia. Bulletin of the British Arachnological Society, 5 (8), 361 - 384."]}

Lutosus gen. nov. (ffiȁƦø) Type species: Lutosus projectis sp. nov. (ŧẌffikƦ) Etymology. The genus name comes from the Latin adjective “ Lutosus ”, meaning “thick” and refers to the thick spine on the patella of the male palp. Gender is masculine. Diagnosis. Lutosus gen. nov. can be distinguished from any other Erigoninae genus by the patella of leg I and male palp patella each with a long and thick macrosetae (Figs 181B–D, 184A, B); palp tibia with three apophyses (Fig. 181B, D); the distal arm of paracymbium with many projections. Embolic division simple with sclerotized embolic membrane and long terminal apophysis; embolus long, curved (Fig. 181A–C)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 156, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Prosoponoides pianmaensis sp. nov. (ÉḚAEƦ) Figures 274, 286 Types. Holotype ♀, CHINA, Yunnan, Lushui County, Pianma Township, 0–4.0 km E of Sancha Lukou, 26.12218°N, 98.57546°E to 26.11750°N, 98.59509°E, alt. 1625–1785m, 16 May 2005, D. H. Kavanaugh, Charles Griswold, Da-zhi Dong and Ke-ji Guo leg. (2005–012A). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Prosoponoides dongshaofangensis sp. nov. in having a similar scape and entrance groove with about one half coil (Fig. 274B–D; Fig. 261A–C). It can be distinguised by the spermathecae C-shaped, pointing posteriorly towards the parmula in P. pianmaensis sp. nov. (Fig. 274C), whereas thumb-shaped, pointing anteriorly in P. dongshaofangensis sp. nov. (Fig. 261C). Description. Female (holotype, Fig. 274A): Total length: 2.98. Carapace 1.27 long, 0.91 wide; cephalic region slightly elevated, yellowish brown; fovea, cervical and radial grooves distinct. Clypeus 0.11 high. Sternum longer than wide, light brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.09, PME 0.07, PLE 0.08, AME–AME 0.05, PME–PME 0.07, AME–ALE, 0.09, PME–PLE 0.08, AME–PME 0.09, ALE–ALE 0.44, PLE–PLE 0.47, ALE–PLE contiguous. Length of legs: I 5.04 (1.46, 1.56, 1.34, 0.68), II 4.46 (1.37, 1.32, 1.1, 0.60), III 2.9 (0.99, 0.83, 0.68, 0.45), IV 4.06 (1.19, 1.21, 1.05, 0.61). Leg formula I-II-IV-III. Tm I 0.33 and Tm IV 0.21. Tibial spine formula: 2-2-2-2. Abdomen 1.71 long, 1.28 wide, oval, dorsum gray, with a longitudinal black gray band, densely covered with white patches; ventral side light brown. Epigyne (Fig. 274B–D): Posteriorly with two oval openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula round extending posteriorly from the dorsal plate, with a large pit ventrally. Vulva: wider than long, entrance grooves started from ventral wall, with about one half coil, turning points and spermathecae present dorso-mesally on apices; spermathecae C-shaped, curved, pointing away from each others; fertilization ducts long, present dorso-laterally, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 286)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 233-238, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Stemonyphantes bifurcatus sp. nov. (ĀZƦ) Figures 298–301 Types. Holotype ♂, CHINA, Yunnan, Gongshan to Binzhongluo, 27.44348°N, 98.39525°E, alt. 1500–1550m, 7 April to 7 June 2000, Heng-mei Yan, D. H. Kavanaugh, Charles Griswold, Hong-bin Liang, Darrell Ubick & Dazhi Dong leg. (00–GB). Paratypes: 2♀, same data as holotype male (00–GB). Etymology. This epithet derives from the Latin adjective “ bifurcatus ”, meaning “bifurcate”, referring to the bifurcated tip of the anterior radical process in male palp. Diagnosis. The new species belongs to the Stemonyphantes lineatus -group and can be distinguished from all other congeners by the anterior tegular apophysis notched; radix longer about five times longer than wide, anterior radical apophysis bifurcated (Fig. 298A, B, D), epigyne with four spirally coiled grooves (Fig. 299A– C). Description. Male (holotype, Fig. 300A, B): Total length: 3.27. Carapace: 1.62 long, 1.29 wide, yellowish brown; cephalic region slightly elevated, outline concave; fovea, cervical and radial grooves distinct. Clypeus 0.36 high. Sternum longer than wide, cordiform. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and four retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.07, ALE 0.11, PME 0.09, PLE 0.10, AME–AME 0.05, PME–PME 0.05, AME–ALE, 0.06, PME–PLE 0.08, AME–PME 0.08, ALE–ALE 0.48, PLE–PLE 0.51, ALE–PLE contiguous. Length of legs: I 7.23 (1.97, 2.32, 2.04, 0.99), II 6.32 (1.67, 2.05, 1.54, 1.06), III 5.61 (1.52, 1.58, 1.35, 0.81), IV 6.8 (1.79, 2.06, 1.88, 1.07). Leg formula I-IV-II-III. Tm I 0.69 and Tm IV 0.51. Tibial spine formula: 2-2-2-2. Abdomen 1.65 long, 1.25 wide, oval, gray with greenish-grey white patches; ventral side greenish-grey with white patches. Palp (Fig. 298A–D): Patella slightly shorter than tibia, curved, dorsally with a long thick spine; tibia longer than wide, with ventro-apical long spines; two retrolateral and one dorsal trichobothria. Cymbium with a posteriodorsal broad outgrowth. Paracymbium Jshaped, sparsely covered with microsetae on proximal part. Anterior tegular apophysis gradually narrow, distal end with notched tip. Embolic division: radix longer than wide, anterior radical process bifurcated. Embolus long and thin. Female (one of paratypes, Fig.300C, D). Total length: 3.66. Carapace: 1.33 long, 1.22 wide, yellowish brown; cephalic region slightly elevated, outline concave; fovea, cervical and radial grooves distinct. Clypeus 0.31 high. Sternum longer than wide, cordiform. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and four retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.08, ALE 0.10, PME 0.09, PLE 0.10, AME–AME 0.05, PME–PME 0.07, AME–ALE, 0.06, PME–PLE 0.09, AME–PME 0.08, ALE–ALE 0.48, PLE–PLE 0.53, ALE–PLE contiguous. Length of legs: I 6.57 (1.82, 2.09, 1.61, 1.05), II 5.85 (1.67, 1.85, 1.40, 0.93), III 4.8 (1.44, 1.48, 1.17, 0.71), IV 6.27 (1.78, 2.01, 1.51, 0.97). Leg formula I-IV-II-III. Tm I 0.64 and Tm IV 0.53. Tibial spine formula: 2-2-2-2. Abdomen 2.33 long, 1.75 wide, oval, gray with greenish-grey white patches; ventral side greenish-grey with white patches. Epigyne (Fig. 299A–C): With four spirally coiled grooves ending into spermathecae. Distribution. Known only from the type locality (Fig. 301). Genus Taibaishanus Tanasevitch, 2006 (ẊƠƜƦø), Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 263-267, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Tanasevitch, A. V. (2006 b) On some Linyphiidae of China, mainly from Taibai Shan, Qinling Mountains, Shaanxi Province (Arachnida, Araneae) Zootaxa, 1325, 277 - 311. https: // doi. org / 10.11646 / zootaxa. 1325.1.18"]}

Sinisterigone circularis sp. nov. (AEḆǺẮƦ) Figures 291–294, 297 Types. Holotype ♂, CHINA, Yunnan, Fugong County, Lumadeng Township, Yamu bridge, 27.12817°N, 98.85977°E, alt. 1500m, 11, 14, 16 August 2005, Guo Tang leg. (Tang–05–04). Paratypes: 11♂ 26♀, same data as holotype (Tang –05–04); 6♂ 5♀, Fugong County, Lumadeng Township, old Shibali, 27.07831°N, 98.77426°E, alt. 2305m, 15, 21 August 2005, Guo Tang leg. (Tang –05–07); 1♂ 1♀, Gongshan County, Binzhongluo Township, Shijitong Village, 28.04650°N, 98.59151°E, alt. 1575m, 10–11 November 2004, Guo Tang leg. (Tang –04–10); 6♀, 1.5–1.8km, 150° SW of fork in Yamu river, Yamu, S. fork, 27.11581°N, 98.83143°E, alt. 1842m, 26 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY14); 5♂ 6♀, Fugong County, 10 road km form Nujiang, on Shibali Rd on N fork, Yamu river, 27.13441°E, alt. 98.82622°E, alt. 1799m, 25 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY10); 1♂ 1♀, Tengchong County, Jietou Township, Datang Village, Daheling Ganjiao, 25.74556°N, 98.69630°E, alt. 2030m, 15 May 2006, Xian-jin Peng, Xin-ping Wang and Peng Hu leg. (Peng 060515); 1♂, 10 km from Nujiang, on Shibali Road, along N fork, Yamu river, 27.13795°N, 98.82240°E, alt. 1850m, 27.13583°N, 98.82562°E, alt. 1790m, 25 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY12); 1♀, Longyang County, Mangkuan Township, Baihualing Village, Zaotang river, 25.30764°N, 98.79376°E, alt. 2 June 2005, 1625m, D. H. Kavanaugh, Charles Griswold, Da-zhi Dong and Heng-mei Yan leg. (2005–041A); 2♂ 1♀, Gongshan County, Qiqi, 27.71816°N, 98.56912°E, alt. 2000m, 1 October 2007, Xian-jin Peng leg. (2005–041A); 1♂ 7♀, Tengchong County, Jietou Township, Datang Village, Daheling Ganjiao, 25.42018°N, 98.40946°E, alt. 1878m, 19 May 2006, Xian-jin Peng, Xin-ping Wang and Peng Hu leg. (Peng 060519). Etymology. This epithet derives from the Latin noun “ circularis ”, meaning “circle” and refers to the circular terminal apophysis (TA) in male palp. Diagnosis. See genus diagnosis. Description. Male (holotype, Fig. 294A, C; one of paratypes, Fig. 294B): Total length: 2.49. Carapace 1.05 long, 0.83 wide; cephalic lobe 0.43 long, with eyes, brown; fovea, cervical and radial grooves distinct. Clypeus 0.39 high. Sternum wider than long, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae sclerotized, dark brown, with four promarginal and five retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.06, PME 0.05, PLE 0.06, AME–AME 0.04, PME–PME 0.06, AME–ALE, 0.04, PME–PLE 0.05, AME–PME 0.08, ALE–ALE 0.29, PLE–PLE 0.33, ALE–PLE contiguous. Length of legs: I 4.28 (1.22, 1.38, 1.09, 0.59), II 4.15 (1.20, 1.37, 1.03, 0.55), III 3.04 (0.91, 0.93, 0.76, 0.44), IV 3.80 (1.08, 1.17, 1.01, 0.54). Leg formula I-II-IV-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 1.44 long, 0.89 wide, oval, pale, mid dorsally with a longitudinal pale band, dorsolaterally dark gray, ventral side pale. Palp (Figs 291A–D, 292A, B); patella shorter than tibia; tibia conic, with two reterolateral and one dorsal trichobothria, with one reterolateral and one prolateral tibial apophyses, both with blunt end; cymbium round, covered with fine spines; paracymbium sclerotized, Ushaped, posterior margin almost touches the cymbium in prolateral view. Embolic division: radix sclerotized, distal end narrow with teeth; anterior radical process curved, almost forming a complete circle with distal pointed end; embolic membarane arises from the ventral side of radix, extending forward; embolus sclerotized, long, curved, whip-like. Female (one of paratype, Fig. 294D, E): Total length: 2.58. Carapace 1.08 long, 0.81 wide, cephalic region slightly elevated, dark brown, fovea, cervical and radial grooves distinct. Clypeus 0.33 high. Sternum wider than long, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae sclerotized, dark brown, with five promarginal and five retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.07, PME 0.06, PLE 0.06, AME–AME 0.04, PME–PME 0.06, AME–ALE, 0.05, PME–PLE 0.02, AME–PME 0.06, ALE–ALE 0.31, PLE–PLE 0.35, ALE–PLE contiguous. Length of legs: I 4.52 (1.25, 1.49, 1.16, 0.62), II 4.51 (1.27, 1.44, 1.15, 0.65), III 3.25 (0.93, 0.96, 0.89, 0.47), IV 4.03 (1.08, 1.26, 1.18, 0.51). Leg formula I-II-IV-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 1.44 long, 0.89 wide, oval, pale, mid dorsally with a longitudinal pale band, dorso-laterally dark gray, ventral side pale. Epigyne (Fig. 293A–C): Ventral plate, wider than long; copulatory openings present at the junction of ventral and dorsal plate. Vulva: Dorsal plate round, broad, slightly depressed inward; copulatory ducts long, sclerotized, with three coiled spirals protruding anteriorly; spermathecae globular, fused with copulatory ducts, pointing towards the posterior margin; fertilization ducts thick, extending mesally. Distribution. Known only from type locality (Fig. 297)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 259, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Ketambea aseptifera sp. nov. (ĿḐǞÁƦ) Figures 159, 160, 164 Types: Holotype ♀, CHINA, Yunnan, Fugong County, Lishadi Township, Shibali, 27.10520ºN, 98.77980ºE, alt. 2530m, 10 August 2005, Guo Tang leg. (Tang–05–02). Paratypes: 13♀, same data as holotype (tang–05–02); 2♀, Fugong County, Lumadeng Township, Yamu bridge, 27.12817°N, 98.85977°E, alt. 1500m, 11, 14, 16 August 2005, Guo Tang leg. (Tang –05–04); 1♀, Fugong County, 2 km down Shibali, 27.16284°N, 98.78989°E, alt. 2420m, 2 May 2004, Guang-xu Peng leg. (20040502). Etymology: This epithet derives from the Latin adjective “ aseptifera ” meaning “septum absent”, referring to the posterior margin of the epigyne without a prominent septum. Diagnosis: This new species resembles K.vermiformis Millidge & Russell-Smith, 1992 (Millidge & RussellSmith, 1992, figs 32, 33) in posterior margin of epigyne without septum, but can be distinguished by the shape of atrium apertures and the position of fertilization ducts in K. aseptifera sp. nov. (Fig. 159C); spiral ducts with three and half turns (Fig. 159C); spermathecae not covered by the spiral ducts (Fig. 159C; Millidge & Russell-Smith, 1992, figs 32, 33). Description. Female (holotype, Fig. 160A, B). Total length 2.60. Carapace 1.11 long, 0.83 wide, yellowishbrown, carapace slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.25 high. Sternum dark brown, longer than wide, with sparse hairs. Labium yellow, wider than long. Maxillae long, distal end broad with scopulae and spine-like hairs. Chelicerae yellow, with three promarginal and three retromarginal teeth, stridulatory striae absent. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.07, ALE 0.08, PME 0.07, PLE 0.08, AME–AME 0.04, PME– PME 0.08, AME–ALE, 0.06, PME–PLE 0.08, AME– PME 0.04, ALE–ALE 0.38, PLE–PLE 0.40 ALE–PLE contiguous. Length of legs: I 6.02 (1.62, 1.83, 1.68, 0.92), II 5.23 (1.44, 1.56, 1.40, 0.83), III 3.32 (1, 0.96, 0.90, 0.46), IV 4.51 (1.35, 1.29, 1.23, 0.64), legs long, slender and yellow. Leg formula: I-II-IV-III. Tm I 0.52. Tibial spine formula: 2-2-2-2. Abdomen; 1.59 long, 1.21 wide, oval, mid dorsally with distinct patterns and a longitudinal white strip on each side; ventral side brown. Epigyne (Fig. 159A–C):Aperture arch-shaped, septum absent. Vulva: spiral ducts thick, each with three and half loops; spermathecae round, pointing towards each other. Male. Unknown. Distribution. Known only from the type locality (Fig. 164).

Himalaphantes gyratus sp. nov. (ṆḆẲĦƦ) Figures 140, 141, 146 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, 77 km of new road to Donglongjiang, 27.91034ºN, 98.41081ºE, alt. 2183m, 8–9 November 2004, Guo Tang leg. (Tang–04–09). Paratypes: 6♀, same data as holotype (Tang–04–09). Etymology. This epithet derives from the Latin adjective “ gyratus ”, meaning “round”, referring to the round scape in the epigyne. Diagnosis. The new species can be distinguished from all other congeners by the distinct kidney-shaped lateral lobes of scape, stretcher head almost round and the spermathecae C-shaped (Fig. 140A–C). Description: Female (holotype, Fig. 141A, B): Total length: 3.79; carapace 1.63 long, 1.23 wide, yellowish brown; cephalic region slightly elevated, with a longitudinal brown band, lateral sides brown; fovea, cervical and radial grooves distinct. Clypeus 0.33 high. Sternum longer than wide, brown. Labium wider than long, brown. Maxillae long, distal end broad with scopulae. Chelicerae brown, with three promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.11, ALE 0.13, PME 0.13, PLE 0.15, AME–AME 0.03, AME–ALE, 0.04, PME–PME 0.06, PME–PLE 0.05, AME–PME, 0.14, ALE–ALE 0.53, PLE–PLE 0.56, ALE–PLE 0.01. Legs with annuli; length of legs: I 10.26 (2.75, 3.29, 2.77, 1.45), II 8.19 (2.31, 2.48, 2.19, 1.21), III 5.66 (1.84, 1.37, 1.54, 0.91), IV 7.83 (2.14, 2.28, 2.08, 1.06); leg formula I-II-IV-III. Tm I 0.79 and Tm IV 0.53. Tibial dorsal spine formula: 2-2-2-2. Abdomen 2.38 long, 1.41 wide, oval, yellow, proximal end with a longitudinal band followed by irregular greenish-grey patches extending posteriorly; ventral side yellow, with irregular greenishgrey and white patches. Epigyne (Fig. 140A–C): Scape wider than long, a with kidney-shaped lateral lobe one each side; stretcher head almost round. Copulatory openings present in lateral pockets. Entrance grooves sinuous. Posterior median plate trapezoid. Spermathecae relatively large, C-shaped. Male. Unknown. Distribution. Known only from the type locality (Fig. 146)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 123, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571

Microlinyphia rehaiensis sp. nov. (ēäḿƉƦ) Figures 197, 198, 201 Types. Holotype ♀, CHINA, Yunnan, Tengchong County, Qingshui Township, Rehai, 24.94861°N, 98.45181°E, alt. 1470m, 1 June 2006, Peng Hu leg. (YHY17). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Microlinyphia delesserti (Caporiacco, 1949) in having a similar scape (Fig. 197A–C; Helsdingen, 1970, figs 60, 61), but can be distinguished by the spiral tubes with 1.5 coils in M. rehaiensis sp. nov. (Fig. 197A–C), whereas the tubes directly enter in spermathecae in M. delesserti (Helsdingen, 1970, fig. 61). Description. Female (holotype, Fig. 198A, B): Total length: 3.72. Carapace 1.55 long, 1.08 wide, yellowish brown; fovea, cervical and radial grooves distinct. Clypeus 0.17 high. Sternum longer than wide, yellowish brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and six retromarginal teeth AER recurved, PER straight, slightly wider. Eye sizes and interdistances:AME 0.09, ALE 0.12, PME 0.09, PLE 0.10, AME–AME 0.05, PME–PME 0.06, AME– ALE, 0.03, PME–PLE 0.09, AME–PME 0.08, ALE–ALE 0.47, PLE–PLE 0.53, ALE–PLE contiguous. Length of legs: I 8.38 (2.24, 2.52, 2.34, 1.28), II 6.73 (1.88, 1.96, 1.85, 1.04), III 4.31 (1.45, 1.21, 0.96, 0.69), IV 6.07 (1.68, 1.76, 1.75, 0.88). Leg formula I-II-IV-III. Tm I 0.77 and Tm IV 0.38. Tibial spine formula: 2-2-2-2. Abdomen 2.17 long, 1.30 wide, oval, dorsally white, mid dorsally with a yellowish brown pattern; ventral side brown with a longitudinal white band. Epigyne (Fig. 197A–C): Scape round posteriorly, curved in ventral direction, ventrally with a socket. In ventral view, epigynal plate densely covered with long, thick spines. Vulva: entrance of spiral tubes located mesally, quite visible in dorsal view of vulva. Spiral tubes with 1.5 coils. Turning points and spermathecae present anteriorly at the apex. Spermathecae small, pointing towards each other. Fertilization duct running through the axis of coils, present laterally. Male. Unknown. Distribution. Known only from the type locality (Fig. 201).

Cristatus gen. nov. (RƦø) Type species: Cristatus makuensis sp. nov. (ḚNJRƦ) Etymology. The genus name comes from the Latin adjective “ Cristatus ”, meaning “tuft” and referring to the tuft of hairs on distal arm of paracymbium in male palp. Gender is masculine. Diagnosis. Cristatus gen. nov. resembles Vittatus Zhao and Li, 2014 in having the epigyne with scapoid (Figs 76A, B, 80A, B; Zhao and Li, 2014, fig. 110A), but can be distinguished from any other Erigoninae genera by the embolus long, distal portion with a coiled spiral (Fig. 78A–C); distal arm of paracymbium with a small curved tip and a tuft of spines (Fig. 78B); proximal end of reterolateral margin of cymbium with a row of thick spines (Figs 75B, D, 78B); dorsal tibial apophysis with teeth (Fig. 78A–C). Epiginal scapoid on the ventral plate in this new genus (Fig. 76A, B), whereas between the ventral and dorsal plate in Vittatus (Zhao and Li, 2014, fig. 110A)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on page 69, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Zhao, Q. Y. & Li, S. Q. (2014) A survey of linyphiid spiders from Xishuangbanna, Yunnan Province, China (Araneae, Linyphiidae). ZooKeys, 460, 1 - 181. https: // doi. org / 10.3897 / zookeys. 460.7799"]}

Linyphia pengdangensis sp. nov. (ǾṦƉƦ) Figures 177, 180 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Pengdang Village, Jimudeng hamlet, 27.54197°N, 98.39340°E, alt. 1573m, 6 October 2002, Chang-min Yin and Xiang Xu leg. (No. 16). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Linyphia yangmingensis Yin et al. 2012 (fig. 236a–d), but can be distinguished by the anterior margin of epigynal plate without teeth in L. pengdangensis sp. nov. (Fig. 177B), whereas with teeth in L. yangmingensis (Yin et al. 2012, fig. 236C, D). Spiral folds with two and half turns in L. pengdangensis sp. nov. (Fig. 177B, C), whereas with one and half turns in L. yangmingensis (Yin et al. 2012, fig. 236d). Description. Female (holotype, Fig. 177A): Carapace 1.95 long, 1.33 wide, yellow; fovea, cervical, and radial grooves distinct. Clypeus 0.36 high. Sternum longer than wide, yellow, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and four retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.09, ALE 0.12, PME 0.09, PLE 0.11, AME–AME 0.05, PME–PME 0.10, AME–ALE, 0.11, PME–PLE 0.13, AME–PME 0.14, ALE–ALE 0.60, PLE–PLE 0.64, ALE–PLE contiguous. Length of legs: I 13.36 (3.57, 4.02, 3.93, 1.84), II 11.1 (2.92, 3.87, 2.89, 1.42), III 6.01 (2.12, 1.78, 1.42, 0.69), IV 10.85 (2.89, 3.74, 3.11, 1.11). Leg formula I-II-IVIII. Tm I 0.73. Tibial spine formula: 2-2-2-2. Abdomen damaged. Epigyne (Fig. 177B, C): Scape protruding, robust; cavity with a triangular projection on each side; copulatory openings narrow, covered by the lateral walls. Vulva: spiral folds with two and half turns; spermathecae elliptical, extending towards anterior margin of epigynal plate. Male. Unknown. Distribution. Known only from the type locality (Fig. 180).

Prosoponoides yapingensis sp. nov. (ǞĤAEƦ) Figures 282–284, 286 Types. Holotype ♂, CHINA, Yunnan, Fugong County, Lumadeng Township, Yaping Village, Yaping yakou, 12 km, rock, bank, bamboo, 27.20658°N, 98.21782°E, alt. 3280– 3100m, 8 May 2004, Heng-mei Yan leg.(20040508). Paratypes: 1♀, same data as holotype male (20040508); 1♀, Fugong County, Lishadi Township, Yakou of Shibali, 27.21234ºN, 98.69601ºE, 3615m, 5, 7 August 2005, Guo Tang leg. (Tang–05–03). Etymology. This epithet derives from the type locality. Diagnosis. The new species can be distinguished from all other congeners by the paracymbium U-shaped (Fig. 282B); parmula anteriorly connected with ventral plate and not extending to the posterior margin of epigyne, spermathecae globular (Fig. 283C). Description. Male (holotype, Fig. 284A, B): Total length: 2.51. Carapace 1.08 long, 0.84 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.24 high. Sternum longer than wide, brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and four retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.08, ALE 0.08, PME 0.07, PLE 0.06, AME–AME 0.03, PME–PME 0.05, AME–ALE, 0.06, PME–PLE 0.07 AME–PME 0.06, ALE–ALE 0.40, PLE–PLE 0.42, ALE–PLE contiguous. Length of legs: I 4.93 (1.35, 1.56, 1.28, 0.74), II 4.32 (1.24, 1.37, 1.01, 0.7), III 2.8 (0.84, 0.81, 0.71, 0.44), IV 3.74 (1.08, 1.14, 0.97, 0.55). Leg formula I-II-IV-III. Tm I 0.51 and Tm IV 0.36. Tibial spine formula: 2-2-2-2. Abdomen 1.43 long, 0.86 wide, oval, grayish brown, proximal end with white patches on each side followed by longitudinal and transverse black bands; ventral side brown. Palp (Fig. 282A–D): Patella shorter than tibia; tibia with two retrolateral and one dorsal trichobothria; with long spines on all surfaces; paracymbium sclerotized, Ushaped; tegulum sclerotized, excavated ventrally; distal suprategular apophysis longer than wide, dorsal tip hookshaped. Lamella characteristca with well developed four apophyses; lateral projection longer than wide, curved, protruding upward; the anterior projection somewhat triangular with pointed end in prolateral view; dorsal projection short, slightly curved, the posterior projection relatively long with blunt end. Embolic membrane broad, extending forward. Embolus sclerotized, curved, extending forward. Female (one of paratypes, Fig. 284C, D): Total length: 2.43. Carapace 0.97 long, 0.81 wide; cephalic region slightly elevated yellowish brown; fovea, cervical and radial grooves distinct. Clypeus 0.17 high. Sternum longer than wide, brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and four retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.06, ALE 0.08, PME 0.06, PLE 0.07, AME–AME 0.06, PME–PME 0.06, AME–ALE, 0.05, PME–PLE 0.07, AME–PME 0.06, ALE–ALE 0.36, PLE–PLE 0.38, ALE–PLE contiguous. Length of legs: I 3.94 (1.12, 1.27, 0.91, 0.64), II 3.63 (1.07, 1.12, 0.87, 0.57), III 2.32 (0.69, 0.69, 0.54, 0.40), IV 3.16 (0.96, 1, 0.74, 0.46). Leg formula I-II-IV-III. Tm I 0.36 and Tm IV 0.21. Tibial spine formula: 2-2-2-2. Abdomen 1.45 long, 0.95 wide, the other characteristics same as in male. Epigyne (Fig. 283A–C): Posteriorly with two openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula longer than wide, with a socket ventrally, anteriorly connected with ventral plate and not extending above the posterior margin of epigyne. Vulva wider than long, entrance grooves started from ventral wall, with one and half coils, turning points and spermathecae present dorso-mesally on apices; spermathecae globular slightly touches each other; fertilization ducts long, present dorso-laterally, extending mesally. Distribution. Known only from the type locality (Fig. 286)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 243-252, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Chen, Y. F. (1991) Two new species and two new records of linyphiid spiders from China (Arneae [sic], Linyphiidae) Acta Zootaxonomica Sinica, 16, 163 - 168."]}

Prosoponoides corneus sp. nov. (ssAEƦ) Figures 258–260, 269 Types. Holotype ♂, CHINA, Yunnan, Tengchong County, Wuhe Township, Tongjia dauzhuang Village, Longchuanjiang river (Longjiang bridge), 24.89284ºN, 98.67439ºE, alt. 1210m, 24 May 2005, Heng-mei Yan and Ke-ji Guo leg. (GKJ020). Paratypes: 2♀, same data as holotype (GKJ020). Etymology. This epithet derives from the Latin adjective “ corneus ”, meaning “horn” and refers to the distal tip of lateral projection of lamella characteristca horn-like in male palp. Diagnosis. The new species resembles Prosoponoides hamatum Millidge & Russell-Smith, 1992 (Fig. 258A–D, 259A–C; Millidge & Russell-Smith, 1992, figs 3, 8, 9), but can be distinguished by the paracymbium with a short transparent distal arm in the new species (Fig. 258B, D), whereas distal arm absent in P. hamatum (Millidge & Russell-Smith, 1992, fig. 8). The anterior projection of lamella characteristca present closer to the lateral projection of lamella characteristca in P. corneus sp. nov. (Fig. 258A, B, D), whereas closer to the distal projection of lamella characteristca in P. hamatum (Millidge & Russell-Smith, 1992, figs 8, 9). The lower margin of lateral projection of lamella characteristca broad and round in P. corneus sp. nov. (Fig. 258B, D), whereas not round in P. hamatum (Millidge & Russell-Smith, 1992, fig. 8). Distal suprategular apophysis tip without knob in retrolateral view in P. corneus sp. nov. (Fig. 258B), whereas with a knob in P. hamatum (Millidge & Russell-Smith, 1992, fig. 8). Entrance grooves with one and half coils in epigyne in P. corneus sp. nov. (Fig. 259B, C), whereas with half coil in P. hamatum (Millidge & Russell-Smith, 1992, fig. 3). Spermathecae present dorso-mesally and slightly overlapping each other in P. corneus sp. nov. (Fig. 259C), whereas present dorso-laterally and separated from each other by a distance of 1.5 length of spermathecae in P. hamatum (Millidge & Russell-Smith, 1992, fig. 3). Description. Male (holotype, Fig. 260A, B): Total length: 2.50. Carapace 1.11 long, 0.91 wide; cephalic region slightly elevated, brown; cervical and radial grooves distinct. Clypeus 0.29 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.08, ALE 0.09, PME 0.07, PLE 0.09, AME–AME 0.03, PME–PME 0.08, AME–ALE, 0.05, PME–PLE 0.07, AME–PME 0.08, ALE–ALE 0.43, PLE–PLE 0.45, ALE–PLE contiguous. Length of legs: I 4.91 (1.28, 1.52, 1.34, 0.77), II 4.38 (1.24, 1.31, 1.19, 0.64), III 2.74 (0.76, 0.79, 0.72, 0.47), IV 3.83 (1.04, 1.09, 1.08, 0.62). Leg formula I-II-IV-III. Tm I 0.37 and Tm IV 0.26. Tibial spine formula: 2-2-2-2. Abdomen 1.51 long, 0.95 wide, cylindriform, grayish brown, with transverse bands extending posteriorly followed by the white patches dorso-laterally on each side; ventral side grayish brown and ventro-lateral sides also with white patches. Palp (Fig. 258A–D): Patella shorter than tibia with a long dorsal spine; tibia with two retrolateral and one dorsal trichobothria; with long spines on all surfaces; paracymbium sclerotized, distal arm short and transparent, with pointed end; tegulum sclerotized, excavated ventrally; distal suprategular apophysis tomb-shaped with blunt end in retrolateral view. Lamella characteristca with well developed four apophyses; lateral projection with round lower margin and horn-shaped tip; the anterior, dorsal and the posterior projections relatively shorter with blunt end. Embolic membrane relatively broader and with a prolateral branch running parallel with embolus. Embolus sclerotized and curved, extending forward. Female (one of paratypes, Fig. 260C, D): Total length: 3.06. Carapace 1.17 long, 0.97 wide; cephalic region slightly elevated, brown; cervical and radial grooves distinct. Clypeus 0.17 high. Sternum longer than wide, dark brown,, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with two promarginal and three retromarginal teeth. Eyes: AER recurved, PER straight, slightly wider than AER. Eye sizes and interdistances: AME 0.07, ALE 0.10, PME 0.08, PLE 0.09, AME–AME 0.05, PME–PME 0.07, AME–ALE, 0.05, PME–PLE 0.08, AME–PME 0.08, ALE–ALE 0.44, PLE–PLE 0.47, ALE–PLE contiguous. Length of legs: I 5.11 (1.38, 1.66, 1.28, 0.79), II 4.78 (1.28, 1.52, 1.20, 0.78), III 2.86 (0.79, 0.90, 0.69, 0.48), IV 4.12 (1.15, 1.22, 1.10, 0.65). Leg formula I-II-IV-III. Tm I 0.43 and Tm IV 0.31. Tibial spine formula: 2-2-2-2. Abdomen 2.07 long, 1.51 wide, the other characteristics same as in male. Epigyne (Fig. 259A–C): Posteriorly with two openings of entrance grooves separated by median septum, margins curved and sclerotized. The entrance groove opening blocked with copulatory plug (distal suprategular apophysis of male palp broken into the both openings in this paratype female). Triangular parmula projecting posteriorly from the dorsal plate, with a large pit ventrally. Vulva slightly longer than wide, entrance grooves started from ventral wall, with one and half coils, turning points and spermathecae present dorso-mesally on apices; spermathecae long, slightly overlapping each others; fertilization ducts long, present dorso-laterally, extending mesally. Distribution. Known only from the type locality (Fig. 269)., Published as part of Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, pp. 1-292 in Megataxa 8 (1) on pages 215-219, DOI: 10.11646/megataxa.8.1.1, http://zenodo.org/record/7526571, {"references":["Millidge, A. F. & Russell-Smith, A. (1992) Linyphiidae from rain forests of Southeast Asia. Journal of Natural History, 26 (6), 1367 - 1404. https: // doi. org / 10.1080 / 00222939200770771","Seo, B. K. (1991) Description of two new species of family Linyphiidae (Araneae) from Korea. Korean Arachnology, 7, 35 - 41."]}

Caviphantes catomidius sp. nov. (ƌḦgƮƦ) Figures 51–54, 57 Types. Holotype ♂, CHINA, Yunnan, Fugong County, 10 road km from Nujiang, on Shibali Rd on N fork, Yamu river, 27.13441°E, alt. 98.82622°E, alt. 1799m, 25 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY10). Paratypes: 3♂ 5♀, same data as holotype male (CGY10); 4♀, Fugong County, Lumadeng Township, 500 m radius of guesthouse at Shibali, 27.16519°N, 98.77891°E, alt. 2525m, 1–7 May 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY24); 1♀, 1.52 Km, 150° SW of Yamu river fork, S. fork of Yamu river, 27.11581°E, alt. 98.83143°E, alt. 1842m, 26 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY15); 1♂, Lushui County, Luzhang Township, Yaojiaping Forest Station, 25.97526°N, 98.71000°E, alt. 2515m, night collecting along the road, 20 May 2005, Ke-ji Guo leg. (GKJ013); 1♀, Gongshan County, Binzhongluo Township, Shijitong Village, 28.04650°N, 98.59151°E, alt. 1575m, 10–11 November 2004, Guo Tang leg. (Tang –04–10); 3♂ 9♀, Gongshan County, Gongdang, Shenshan mountain, 28.00930°N, 98.61505°E, alt. 2480–2500m, 9 October 2002, Heng-mei Yan leg. (Yan 021009); 1♀, Lushui County, Luomumuo Township, 27.16784°N, 98.71782°E, alt. 2682m, 3 May 2004, Guang-xu Peng (20040503–2); 1♀, Gongshan County, Dulongjiang Township, Xianjiudang Village, 27.92247°N, 98.33213°E, alt. 1634m, 4, 5 November 2004, Guo Tang leg. (Tang –04–07); Shilajia on N fork, Jamu river, 27.13440°N, 98.82625°E, alt. 1792m, 24 April 2004, Charles Griswold and D. H. Kavanaugh leg. (CGY09); 1♀, Gongshan County, Bingzhongluo Township, Niwaluo, 28.03287°N, 98.56995°E, alt. 1862m, 15 August 2006, Peng Hu leg. (Hu 060815). Etymology. This epithet derives from the Latin adjective “ catomidio ”, meaning “whip” and refers to the whip-like embolus in the male palp. Diagnosis. This new species can be distinguished from all other congeners by the male cephalothorax bearing cephalic lobe (Fig. 54B), palpal tibia dorsally with broad projection and a horn-shaped highly sclerotized tooth (Figs 51B, D, 52A), convector long with pointed tip and proximal end with a hook-shaped projection (Figs 51A–C, 52C, D). Epigyne, ventral plate outline rectangular, posterior margin with a notch-like opening (Fig. 53A, B). Description. Male (holotype, Fig. 54A–C): Total length: 1.53. Carapace 0.67 long, 0.57 wide, with cephalic lobe 0.29 high, brown, dual-lobed with one on top of the other and both lobes possessing eyes; fovea, cervical and radial grooves distinct. Clypeus 0.21 high. Sternum longer than wide, yellowish, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and five retromarginal teeth. Eye region narrow, AER recurved, PME present on most dorsal cephalic lobe. Eye sizes and interdistances: AME 0.03, ALE 0.05, PME 0.05, PLE 0.05, AME–AME 0.02, PME–PME 0.09, AME–ALE, 0.01, PME–PLE 0.03, AME–PME 0.09, ALE–ALE 0.18, PLE–PLE 0.22, ALE–PLE contiguous. Length of legs: I 2.38 (0.68, 0.76, 0.56, 0.38), II2.39 (0.66, 0.77, 0.59, 0.37), III 2.27 (0.52, 058, 0.49, 0.28), IV 2.27 (0.63, 0.71, 0.59, 0.34). Leg formula II-I-IV-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 0.86 long, 0.59 wide, oval, brown, dorsally with distinct patterns, cardiac pattern bar-shaped, followed by two transverse chevrons, base of spinnerets brown, ventral side brown. Palp (Figs 51A–D, 52A–E): Patella as long as tibia, tibia with three thick spine-like hairs, distal end wider, dorsally with a broad projection pointed towards the cymbium and also with a highly sclerotized horn-shaped tooth. Paracymbium simple, small, distal arm with a blunt end; embolic division: median membrane completely covering the subtegulum and tegulum in unexpanded palp; convector sclerotized, proximal end with a hookshaped projection, long, tip with pointed end, touches the apex of cymbium; embolus whip-like, distal part covered by the convector. Female (paratype, Fig. 54D–F): Total length: 1.71. Carapace 0.66 long, 0.63 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.15 high. Sternum longer than wide, yellowish, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scapulae. Chelicerae with five promarginal and six retromarginal teeth. Eye region narrow, AER recurved. Eye sizes and interdistances: AME 0.04, ALE 0.05, PME 0.06, PLE 0.06, AME–AME 0.02, PME–PME 0.05, AME–ALE, 0.01, PME–PLE 0.03, AME–PME 0.04, ALE–ALE 0.21, PLE–PLE 0.26, ALE–PLE contiguous. Length of legs: I 2.39 (0.65, 0.78, 0.58, 0.38), II 2.93 (0.69, 0.77, 0.56, 0.37), III 1.99 (0.58, 0.63, 0.49, 0.29), IV 2.52 (0.76, 0.77, 0.62, 0.37). Leg formula II-IV-I-III. Tm I and Tm IV present. Tibial spine formula: 2-2-1-1. Abdomen 1.05 long, 0.75 wide, oval, pale, cardiac pattern greenish-grey, followed by two transverse chevrons, base of spinnerets black, ventral side pale. Epigyne (Fig. 53A–C): Ventral plate outline rectangular, posterior margin with a notch-like opening, copulatory openings posteriorly located; copulatory ducts form coiled spirals in the atrium before joining to the spermathecae; spermathecae globular, present on lateral sides of dorsal plate, separated by 2/3 distance of their diameter; fertilization ducts small, extending mesally. Distribution. Known only from the type locality (Fig. 57). Caviphantes pseudosaxetorum Wunderlich, 1979 (Ña gƮƦ) Figures 55–57 Caviphantes pseudosaxetorum Wunderlich, 1979 b: 87, figs 1–7 (Dmf); Lee et al. 2018: 139, fig. 1A–G (m). For full list of publications and synonyms concerning this species see World Spider Catalog (2022). Material examined. 1♀, CHINA, Yunnan, Forest along the shelf above Yamu river, 0.4 km SE Shibali, 27.16337°N, 98.78208°E, alt. 2475m, 8 May 2004, Charles Griswold and D. H. Kavanaugh and Heng-mei Yan leg. (CGY37). Distribution. China, Japan, Korea, Lebanon to India, Nepal, Russia (Kuril Is.). Genus Ceratinella Emerton, 1882 (ssẮƦø)

Microlinyphia spirala sp. nov. (ṚÄḿƉƦ) Figures 199–201 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Cikai Township, 3.3 km NW of Gongshan on Pula River at hydropower diversion dam, 27.77175°N, 98.64924°E, alt. 1530m, 24 September 2002, D. H. Kavanaugh leg. (PEM012). Paratypes: 2♀, same data as holotype female (PEM012). Etymology. This epithet derives from the Latin adjective “ spiralis ”, meaning “spiral” and referring to spiral tubes in epigyne. Diagnosis. The new species resembles Microlinyphia pusilla (Sundevall, 1830) in having a similarly rounded scape (Fig. 199A–C; Fig. 195A–C), but can be distinguished by the spiral tubes with 8.5 coils in M. spirala sp. nov. (Fig. 199B, C), whereas with 6.5 to 7.5 coils in M. pusilla (Fig. 195B, C). Spermathecae pointing away from each other in M. spirala sp. nov. (Fig. 199B, C), whereas towards each other in M. pusilla (Fig. 195B, C). Description. Female (holotype, Fig. 200A, B): Total length: 2.86. Carapace 1.18 long, 0.80 wide, brown, lateral margin dark brown; fovea, cervical and radial grooves distinct. Clypeus 0.18 high. Sternum longer than wide, brownish black, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and four retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.07, ALE 0.08, PME 0.06, PLE 0.07, AME–AME 0.05, PME–PME 0.12, AME–ALE, 0.10, PME–PLE 0.08, AME–PME 0.09, ALE–ALE 0.44, PLE–PLE 0.45, ALE–PLE contiguous. Length of legs: I 5.90 (1.67, 1.77, 1.55, 0.91), II 5.04 (1.41, 1.56, 1.31, 0.76), III 3.57 (1.09, 1.06, 0.91, 0.51), IV 5.10 (1.59, 1.46, 1.37, 0.68). Leg formula I-IV-II-III. Tm I 0.77 and Tm IV 0.41. Tibial spine formula: 2-2- 2-2. Abdomen 1.93 long, 1.29 wide, oval, pale, densely covered with white patches, proximal end with a brown arch-shaped marking followed by a yellowish brown distinct pattern: ventral side dark brown with two pairs of white patches posteriorly. Epigyne (Fig. 199A–C): Scape rounded and curved in ventral direction, arising from a triangular incision of anterior margin of epigastric furrow. Vulva: entrance of spiral tubes presents in lateral walls of triangular incision. Spiral tubes with 8.5 coils. Spermathecae small, pointing away from each other. Fertilization duct running through the axis of coils, forming a complete loop near entrance, then curving to the dorsal side of the complex. Male. Unknown. Distribution. Known only from the type locality (Fig. 201). Genus Molestia Tu, Saaristo & Li, 2006 (ĢƦø)

Prosoponoides dongshaofangensis sp. nov. (ŤḌƟAE Ʀ) Figures 261, 262, 269 Types. Holotype ♀, CHINA, Yunnan, Gongshan County, Qiqi Dongshaofang, 27.69521ºN, 98.48514ºE, 3208m, 29 September 2007, Xian-jin Peng leg. (20070929). Etymology. This epithet derives from the type locality. Diagnosis. The new species resembles Prosoponoides pianmaensis sp. nov. in having a similar scape and with about half entrance groove (Fig. 261A–C; Fig. 273B–D). It can be distinguised by the spermathecae thumb-shaped and pointing anteriorly in P. dongshaofangensis sp. nov. (Fig. 261C), whereas C-shaped and pointing posteriorly in P. pianmaensis sp. nov. (Fig. 273B–D). Description. Female (holotype, Fig. 262A, B): Total length: 2.20. Carapace 0.97 long, 0.87 wide; cephalic region slightly elevated, yellow; cervical and radial grooves distinct. Clypeus 0.14 high. Sternum longer than wide, yellow. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and three retromarginal teeth. Eyes: AER recurved, PER procurved, slightly wider than AER. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.05, PLE 0.06, AME–AME 0.04, PME–PME 0.06, AME–ALE, 0.07, PME–PLE 0.08, AME–PME 0.08, ALE–ALE 0.37, PLE–PLE 0.41, ALE–PLE contiguous. Length of legs: I 4.16 (1.09, 1.29, 1.09, 0.69), II 3.66 (1.08, 1.15, 0.88, 0.55), III 2.35 (0.74, 0.76, 0.53, 0.32), IV 3.33 (1.06, 0.95, 0.83, 0.49). Leg formula I-II-IV-III. Tm I 0.36 and Tm IV 0.22. Tibial spine formula: 2-2-2- 2. Abdomen 1.44 long, 1.08 wide, oval, black; ventral side brown. Epigyne (Fig. 261A–C): Posteriorly with two oval openings of entrance grooves separated by median septum, margins curved and sclerotized. Parmula round, projecting posteriorly from the dorsal plate, with a large pit ventrally. Vulva: wider than long, entrance grooves started from ventral wall, with about half coil, turning points and spermathecae present dorso-mesally on apices; spermathecae thumb-shaped, pointing anteriorly; fertilization ducts long, present dorso-laterally, extending mesally. Male. Unknown. Distribution. Known only from the type locality (Fig. 269).

Lepthyphantes cordis sp. nov. (ÒḆfflƉƦ) Figures 169–171, 174 Types. Holotype ♂, CHINA, Yunnan, Fugong County, 18km, Lishadi Yakou, 25.21136ºN, 98.69651ºE, 3611m, 5 October 2007, Xian-jin Peng leg. (20071005). Paratypes: 13♂ 8♀, same data as holotype female (20071005). Etymology. This epithet derives from the Latin noun “ cordis ”, meaning “heart” and refers to the heart-shaped posterior median plate in the epigyne. Diagnosis. This new species can be differentiated from all other congener s by: In male palp, the lamella characteristca wing-shaped; distal suprategular apophysis bifurcated at tip (Fig. 169A–C); In epigyne, the posterior median plate heart-shaped; the pseudoscape and stretcher extending above the epigastric furrow posteriorly (Fig. 170A–C). Description. Male (holotype, Fig. 171A, B): Total length: 1.71. Carapace 0.72 long, 0.59 wide, brown. Clypeus 0.12 high. Sternum longer than wide, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with three promarginal and three retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances:AME 0.05, ALE 0.07, PME 0.06, PLE 0.06, AME–AME 0.03, PME–PME 0.04, AME– ALE, 0.04, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.28, PLE–PLE 0.30, ALE–PLE contiguous. Length of legs: I 2.97 (0.79, 0.93, 0.70, 0.55), II 2.66 (0.72, 0.83, 0.63, 0.48), III 2.03 (0.59, 0.61, 0.46, 0.37), IV 2.64 (0.79, 0.81, 0.61, 0.43). Leg formula I-II-IV-III. Tm I 0.34 and Tm IV 0.25. Tibial spine formula: 2-2-2-2. Abdomen 0.99 long, 0.76 wide, oval, brown, dorsally with three pairs of white patches followed by five patches dorso-laterally and a longitudinal white band on each lateral side; ventral side brown. Palp (Fig. 169A–C): Patella shorter than tibia, with a long dorsal spine; tibia conic, with two retrolateral and one dorsal trichobothria; cymbium with a proximal cymbial apophysis somewhat rectangular. Paracymbium proximal wider than long, with fine spines, distal arm with a lateral projection and distal part thumb-shaped, tip almost touches the retrolateral margin of cymbium. Distal suprategular apophysis bifurcated at distal end, dorsal tip hook-shaped retrolateral view. Radix kidneyshaped; embolus proper along with thumb attached to the prolateral side of radix. Lamella characteristca wingshaped in ventral view, with serrated margin. Female (one of the paratypes, Fig. 171C, D): Total length: 2.05. Carapace 0.74 long, 0.63 wide, brown. Clypeus 0.12 high. Sternum longer than wide, dark brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with five promarginal and three retromarginal teeth. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.05, ALE 0.07, PME 0.07, PLE 0.06, AME–AME 0.03, PME–PME 0.04, AME–ALE, 0.03, PME–PLE 0.04, AME–PME 0.07, ALE–ALE 0.29, PLE–PLE 0.32, ALE–PLE contiguous. Length of legs: I 2.58 (0.70, 0.82,.57, 0.49), II 2.36 (0.68, 0.73, 0.53, 0.42), III 1.84 (0.52, 0.59, 0.41, 0.32), IV 2.36 (0.67, 0.74, 0.54, 0.41). Leg formula I-II-IV-III. Tm I 0.27 and Tm IV 0.19. Tibial spine formula: 2-2-2-2. Abdomen 1.31 long, 0.90 wide, the other morphological character same as in male. Epigyne (Fig. 170A–C): Protruding; pseudoscape broad, wider than long, with a deep distal notch in ventral view; stretcher finger-like with a ventral socket; entrance groove inside lateral pockets; Lateral pockets ear-lobe shaped extending laterally; posterior median plate heart– shape; spermathecae elliptical, pointing towards the lateral margin of the epigynal plate. Distribution. Known only from the type locality (Fig. 174).