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Key to the fossil species of the genus Ephedrus 1. Ovipositor sheaths curved and elongate.—Ovipositor sheath 4.0 × longer than its maximum width.................................................................................................... E. mirabilis Timon-David - Ovipositor sheath straight and short....................................................................... 2 2. Ovipositor sheath distinctly longer than F1.—Ovipositor sheath widely rounded at apex, 3.0 × longer than wide. Petiole long, 2.0 × longer than its width on level of spiracular tubercles. F1 2.5 × longer than its median length............................................................................................. E. rasnitsyni Davidian & Kaliuzhna - Ovipositor sheath approximately equal to F1............................................................... 3 3. Radial vein (r) of fore wing arising behind middle of pterostigma. Third abscissa of medial vein (3-М) almost reaching distal margin of wing. Second abscissa of radial vein (3-SR) 1.3 × longer than first radiomedial vein (2-SR). F1 2.0 × longer than its median length....................................................................... E. primordialis Brues - Radial vein (r) of fore wing arising before middle of pterostigma. Third abscissa of medial vein (3-M) distinctly not reaching distal margin of wing (Figs 2A, B). Second abscissa of radial vein (3-SR) 2.0 × longer than first radiomedial vein (2-SR). F1 3.0 × longer than its median length (Fig. 1A).—Petiole short, 1.2 × longer than its width on level of spiracular tubercles (Fig. 1C). Ovipositor sheath narrowly rounded at apex, 2.4 × longer than its width (Figs 2C, D)............ E. carsteni sp. nov. Key to new fossil and extant Ephedrus species with densely pubescent ovipositor sheath 1. Propodeum smooth. F1 of antenna 3.0 × longer than its medial width. Pterostigma 3.3 × longer than its maximum width......................................................................................... E. carsteni sp. nov. - Propodeum reticulate. F1 of antenna 4.2–5.8 × longer than medial width. Pterostigma 4.2–4.6 × longer than its maximum width.............................................................................................. 2 2. Notauli long, reaching middle of mesoscutum. F1 of antenna 4.2–4.7 × longer than its medial width. Pterostigma 4.2 × longer than its maximum width................................................................. E.validus (Haliday) - Notauli short, reaching anterior third of mesoscutum. F1 of antenna approximately 5.8 × longer than its medial width. Pterostigma 4.6 × longer than its maximum width................................................. E.carinatus Tomanovi&cacute, Published as part of Davidian, Elena M., Manukyan, Andranik R. & Belokobylskij, Sergey A., 2023, A new and the second fossil species of the genus Ephedrus Haliday, 1833 (Hymenoptera: Braconidae: Aphidiinae) from Baltic amber, pp. 587-593 in Zootaxa 5297 (4) on page 592, DOI: 10.11646/zootaxa.5297.4.8, http://zenodo.org/record/8009259

Ephedrus carsteni Davidian, sp. nov. Figs 1, 2 http://zoobank.org/ 4C6CC756-81F0-4F26-AD74-4EB6C018857E Type material. Holotype: female, GPIH N. 5080 (CCGG N. 9184). Type locality and horizon. Baltic amber. Upper Eocene, Prussian Formation. Baltic Sea coast and amber quarry Yantarny near Kaliningrad, Kaliningrad Province, Russia. Etymology. Named in honour of Mr Carsten Gröhn, Chairman of Association for the Promotion of the Geological-Palaeontological Museum of the University of Hamburg e. V. “Working Group Bernstein”. Description. Female. Body length 1.2 mm, fore wing length 0.9 mm, antenna length 0.7 mm. Head (Figs 1A, B) transverse (dorsal view), wider than mesoscutum, covered by dense and short setae. Eye semi-spherical, convex, glabrous. Temple approximately 0.7 × as long as eye (dorsal view). Maxillary palpus 4-segmented, labial palpus 2-segmented. Second segment of maxillary palpus 5.0 × longer than its medial width and approximately equal to length of four segment. Second segment of labial palpus 2.0 × longer than its medial width. Antenna (Fig. 1A) thickened, with 11 antennomeres, weakly widened towards apex, in dense and short setae, setae distinctly shorter than antennomere width. F1 and F2 subequal length. F1 cylindrical, perhaps without rhinaria (multiparous plate sensillae), 3.0 × longer than its median width. F2 weakly widened towards apex, with single rhinaria on its visible side, 2.3 × longer than its medial width. F3, F4 and F5 almost same length and each weakly widened towards apex; both F3 and F4 with single rhinaria on visible side. F5–F8 weakly shorter and wider than previous antennomeres, all with pair of rhinaria on visible side, their length 1.6, 1.4, 1.4 and 1.13 × larger than width respectively. Mesosoma. Mesoscutum (Fig. 1 В) entirely covered by short and dense setae. Notauli and precoxal sulcus absent. Propodeum smooth, with areola delineated by weak carinae, covered by dense and short setae. Wings. Fore wing (Fig. 2 А, В) with complete venation, with seven cells closed by veins. All veins sclerotised and pigmented. Pterostigma triangle, 3.3 × longer than its maximum width. Radial vein (r) arising before middle of pterostigma. Third abscissa of radial vein (SR1) 4.0 × longer than first radiomedial vein (2-SR) and 2.0 × longer than second abscissa of radial vein (3-SR); second abscissa of radial vein (3-SR) 1.4 × longer than second radiomedial vein (r-m) and 2.0 × longer than first radiomedial vein (2-SR). Distal margin of fore wing with long setae, which is longer than setae on membrane of wing. Hind wing with closed medial (basal) cell. Legs. Legs covered by dense, long and semi-erect setae. Femora and tibiae of fore and middle legs almost similar length. Hind femur 5.0 × longer than its maximum width; hind tibia 9.0 × longer than its maximum width; hind tibia 1.5 × longer than hind femur. Metasoma (Figs 1B, С). Metasoma elongate, lanceolate. Petiole short and wide, distinctly convex medially, approximately 1.2 × longer than its width at level of spiracular tubercles, smooth basally and with sparse longitudinal striation in apical half. All metasomal tergites clearly visible in amber. Last tergite, cerci and hypopygium clearly visible (Figs 2 С, D). Ovipositor sheath narrowed towards apex, covered by dense setae, 2.4 × longer than its maximum width (Figs 2 С, D). Pubescence. Head, antenna, legs as well as entire body covered by rather dense setae. Colour. Body mainly monochrome dark brown, with yellowish medium spot on third and fourth metasomal tergites. Male. Unknown. Comparative diagnosis. This new fossil species belongs to the subgenus Ephedrus of the genus Ephedrus Haliday, 1833 and to the species group E. (E.) plagiator (Nees, 1811) on the basis of several distinct features: namely, antenna with 11 antennomeres (except only the female of E. (E.) antennalis Tomanović, 2020 with 12 antennomeres), venation of fore wing complete with presence of the first (2-SR) and second (r-m) radiomedial veins and seven complete cells (radial (marginal), first and second radiomedial (submarginal), discoidal (discal), brachial (subdiscal), medial (basal), and submedial (subbasal) ones); second abscissa of radial vein (3-SR) longer than first radiomedial vein (2-SR). Ovipositor sheaths in the members of this species group more or less distinctly elongate, straight or weakly upcurved and usually with sparse setae, although the sheaths are densely pubescent in E. (E.) validus (Haliday, 1833), E. (E.) carinatus Tomanović, 2020 and E. (E.) rasnitsyni Davidian & Kaliuzhna, 2021 (Davidian et al. 2021a)., Published as part of Davidian, Elena M., Manukyan, Andranik R. & Belokobylskij, Sergey A., 2023, A new and the second fossil species of the genus Ephedrus Haliday, 1833 (Hymenoptera: Braconidae: Aphidiinae) from Baltic amber, pp. 587-593 in Zootaxa 5297 (4) on pages 588-591, DOI: 10.11646/zootaxa.5297.4.8, http://zenodo.org/record/8009259, {"references":["Davidian, E. M., Kaliuzhna, M. O. & Perkovsky, E. E. (2021 a) First aphidiine species from Sakhalinian amber. Acta Palaeontologica Polonica, 66 (3), 59 - 65. https: // doi. org / 10.4202 / app. 00843.2020"]}

Davidian, Elena M., Manukyan, Andranik R., Belokobylskij, Sergey A. (2023): A new and the second fossil species of the genus Ephedrus Haliday, 1833 (Hymenoptera: Braconidae: Aphidiinae) from Baltic amber. Zootaxa 5297 (4): 587-593, DOI: 10.11646/zootaxa.5297.4.8, URL: http://dx.doi.org/10.11646/zootaxa.5297.4.8

Key to the Asian species of the genus Sonanus 1. Second tergite long, with U-shaped median area delineated by relatively narrow furrows, almost as long as its basal width, 1.5–2.0 × longer than third tergite (Figs 2B; 4B, E). Body dark reddish brown to reddish brown or light reddish brown on part of metasoma; head brownish yellow or paler (Figs 1A; 3A).................................................... 2 - Second tergite short, with subround median area delineated by wide furrows, 0.75–0.80 × as long as its basal width, 1.1–1.3 × longer than third tergite. Body yellowish brown or reddish yellow at most part..................................... 3 2. Median lobe of mesoscutum with distinct medial depression (Fig. 1J). Recurrent vein (m-cu) of fore wing interstitial to first radiomedial vein (2-SR) (Fig. 2A). Second metasomal tergite 1.4–1.5 × longer than third tergite (Fig. 2B). Second radial abscissa (3-SR) of fore wing 1.2 × longer than first abscissa (r); second radiomedial (submarginal) cell 0.7 × as long as brachial (first subdiscal) cell (Fig. 2A). Body length 3.2–6.6 mm.— South Korea, China, Japan................................................................................................ S. senzuensis Belokobylskij & Konishi, 2001 - Median lobe of mesoscutum without depression (Fig. 3H). Recurrent vein (m-cu) of fore wing distinctly postfurcal to first radiomedial vein (2-SR) (Figs 4A, C). Second metasomal tergite 1.9–2.0 × longer than third tergite (Fig. 4B, E). Second radial abscissa (3-SR) of fore wing 2.3–2.4 × longer than first abscissa (r); second radiomedial (submarginal) cell 1.1 × longer than brachial (first subdiscal) cell (Figs 4A, C). Body length 2.0– 3.8 mm — South Korea.................. S. tselikhae sp. nov. 3. Second radial abscissa (3-SR) of fore wing long, 0.45 × as long as third abscissa (SR1), 1.4 × longer than first radiomedial vein (2-SR). Second radiomedial (submarginal) cell longer, 1.1 × as long as brachial (subdiscal) cell. Lateral part of second tergite (separated dorsally by lateral keel and ventrally by crease) subparallel and narrow (lateral view). Propodeum smooth in basolateral quarter. Hind tibia and tarsus yellow or reddish yellow. Body length 3.7 mm.— China (Henan)................................................................................... S. chinensis Belokobylskij & Chen, 2005 - Second radial abscissa (3-SR) of fore wing shorter, 0.3 × as long as third abscissa (SR1), almost equal to first radiomedial vein (2-SR). Second radiomedial (submarginal) cell shorter, 0.8 × as long as brachial (subdiscal) cell. Lateral part of second tergite (separated dorsally by lateral keel and ventrally by crease) divergent posteriorly and wide (lateral view). Propodeum rugulose in basolateral 1/4. Hind tibia and tarsus mainly dark brown, hind tibia yellow basally. Body length 4.2 mm.— India (Karnataka)............................................................................ S. indicus Belokobylskij, 2005, Published as part of Belokobylskij, Sergey A. & Ku, Deokseo, 2023, New species of the genus Sonanus Belokobylskij & Konishi, 2001 (Hymenoptera Braconidae: Doryctinae) from Korean Peninsula, pp. 124-132 in Zootaxa 5297 (1) on page 131, DOI: 10.11646/zootaxa.5297.1.7, http://zenodo.org/record/7989509, {"references":["Belokobylskij, S. A. & Konishi, K. (2001) New genera of Doryctinae (Hymenoptera, Braconidae) from Japan. Entomological Science, 4 (2), 129 - 138.","Belokobylskij, S. A. & Chen, X. (2005) A review of the species of the Australo-Asian genus Sonanus Belokobylskij et Konishi (Hymenoptera: Braconidae: Doryctinae). Annales zoologici, 55 (3), 45 - 56."]}

Sonanus senzuensis Belokobylskij & Konishi, 2001 (Figs 1, 2) urn:lsid:zoobank.org:act: 0D6F0C04-8A64-4244-B0EB-AE3ABB444ECF Belokobylskij and Konishi 2001: 132; Belokobylskij and Chen 2005: 395; Belokobylskij and Maetô 2009: 476; Yu et al. 2016; Lee et al. 2020: 21. Material examined. South Korea: 1 female, [GG] Suwon, Mt. Yeogisan, 23. VI.1997 (Choi J.Y. col.), NIBRIN00008551145 (NIBR). Distribution. Korean Peninsula; China (Beijing), Japan (Honshu)., Published as part of Belokobylskij, Sergey A. & Ku, Deokseo, 2023, New species of the genus Sonanus Belokobylskij & Konishi, 2001 (Hymenoptera Braconidae: Doryctinae) from Korean Peninsula, pp. 124-132 in Zootaxa 5297 (1) on page 125, DOI: 10.11646/zootaxa.5297.1.7, http://zenodo.org/record/7989509, {"references":["Belokobylskij, S. A. & Konishi, K. (2001) New genera of Doryctinae (Hymenoptera, Braconidae) from Japan. Entomological Science, 4 (2), 129 - 138.","Belokobylskij, S. A. & Chen, X. (2005) A review of the species of the Australo-Asian genus Sonanus Belokobylskij et Konishi (Hymenoptera: Braconidae: Doryctinae). Annales zoologici, 55 (3), 45 - 56.","Belokobylskij, S. A. & Maeto, K. (2009) Doryctinae (Hymenoptera, Braconidae) of Japan. Fauna mundi. Vol. 1. Warszawska Drukarnia Naukowa, Warszawa, 806 pp.","Yu, D. S., van Achterberg, C. & Horstmann, K. (2016) Taxapad 2016. Ichneumonoidea 2015. Nepean, Ottawa, Ontario. [database on flash-drive]","Lee, H. R., Belokobylskij, S. A., Ku, D. S. & Byun, B. K. (2020) Fifteen newly recorded species of the subfamily Doryctinae (Hymenoptera) in Korea. Animal Systematics, Evolution and Diversity, 36 (1), 17 - 24. https: // doi. org / 10.5635 / ASED. 2020.36.1.042"]}

Sonanus tselikhae sp. nov. (Figs 3, 4) Type material. Holotype: female, “ Korea (GN), Geochang-gun, Science Museum Natural Enemy, VI.2– VI.15.2022 (Malaise Trap), Ku Deokseo, Lee Jaehyeon ” (NIBR). Paratypes: 1 female, “ South Korea, Gyeongsangnam-do (GN), Changwon-si, Masanhappo-gu, Jinjeonmyeon, Jeokseoksan, VI. 11. 2017, An Taeho ”(SMNE); 1 male, “S. Korea: Gyeongsangnam-do, Goseong-gun, Hail-myeon, Suyang-ri, 34°58’34.8”N, 128°12’08.3”E, 18. VI.2022, Tselikh col.” (ZISP); 1 female, “ South Korea, Gyeongsangnam-do (GN), Geochang-gun, 35˚44ʹ54ʹʹ N 127˚56ʹ26ʹʹ E, 30. VI.2022, Tselikh col.” (ZISP). Description. Female. Body length 3.3–3.8 mm; fore wing length 2.7–2.8 mm. Head width 1.3–1.4 × its median length. Head behind eyes (dorsal view) evenly roundly narrowed. Transverse diameter of eye (dorsal view) 1.4–1.5 × longer than temple. Ocelli arranged in obtuse triangle with base 1.3 × its sides. POL 1.8–2.3 × Od, approximately equal to OOL. Low and short longitudinal carina present between antennal sockets. Eyes glabrous, 1.1 × as high as broad. Malar space height 0.3–0.4 × height of eye, 0.8–0.9 × basal width of mandible. Face width 0.9 × height of eye and 1.2 × height of face and clypeus combined. Clypeus with narrow lower visor. Clypeal suture complete and distinct, but shallow upper. Hypoclypeal depression subround, its width 0.5–0.7 × distance from edge of depression to eye, 0.3–0.4 × width of face. Hypostomal flange very narrow. Head below eyes (front view) distinctly and roundly narrowed. Antenna slender, weakly setiform, with 31–32 antennomeres, 1.2–1.3 × longer than body. Scape short and wide, 1.3–1.5 × longer than its maximum width. First flagellomere weakly compressed, distinctly curved, ventrally smooth and weakly concave, dorsally coarsely rugose-striate in basal 0.7–0.8 and granulate-rugulose in apical 0.3–0.2; 3.8–4.0 × longer than its maximum width, weakly longer than second flagellomere. Second flagellomere subcylindrical, 4.6–5.3 × longer than its apical width. Penultimate flagellomere ~3.5 × longer than wide, ~ 0.5 × as long as first flagellomere, 0.9 × as long as apical flagellomere; the latter acuminate apically. Mesosoma. Length 2.0–2.3 × its height. Neck of prothorax short, dorsally convex; its pronotal carina rather distinct, widely connected with posterior margin of pronotum. Median oblique depression of pronotal side distinctly delineated ventrally by strong carina, but fine carina dorsally, finely crenulate at most part. Notauli complete, fused medially, deep in anterior half and shallow in posterior half, wide, rugulose-crenulate. Prescutellar depression relatively long, rather deep, with five carinae, finely rugulose between carinae, 0.3 × as long as scutellum. Scutellum weakly convex. Metanotum without median tooth. Subalar depression relatively deep and wide, rugose-striate. Precoxal sulcus entirely deep, straight, smooth or sometimes very narrowly crenulate, running along ~0.8 of lower part of mesopleuron. Metapleural lobe short and relatively narrow. Propodeum weakly and obliquely-roundly slanted from base to apex (lateral view), without lateral tubercles. Wings. Fore wing 3.0–3.3 × longer than its maximum width. Pterostigma rather wide, 4.1–4.8 × longer than wide, 0.75–0.90 × as long as metacarp (1-R1). Radial vein (r) arising weakly before middle of pterostigma. Second radial abscissa (3-SR) 2.3–2.4 × longer than first abscissa (r), 0.4 × as long as the straight third abscissa (SR1), 1.2 × longer than first radiomedial vein (2-SR). First abscissa of medial vein (1-SR+M) distinctly sinuate. Second radiomedial (submarginal) cell rather short, 2.5–2.8 × longer than its maximum width, 1.1 × longer than rather narrow brachial (first subdiscal) cell. Second abscissa of basal vein (1-M) 3.7–4.5 × longer than its first (anterior) abscissa (1-SR), 1.8–2.1 × longer than recurrent vein (m-cu). Recurrent vein (m-cu) postfurcal. Distance (1-CU1) from nervulus (cu-a) to basal vein (1-M) 0.8–1.0 × nervulus (cu-a) length. Parallel vein (CU1a) arising from anterior 0.3 of distal margin (3-CU1) of brachial (first subdiscal) cell. Hind wing 4.8–5.4 × longer than wide. First abscissa of mediocubital vein (M+CU) 0.4 × as long as second abscissa (1-M). Recurrent vein (m-cu) strongly antefurcal, straight, oblique. Legs. Fore tibia with four–five sparse spines arranged almost in single row on its inner surface. Hind femur 3.5–4.0 × longer than wide. Hind tibia dorsally with three–four thick and short spines. Hind tarsus almost as long as hind tibia. Hind basitarsus thickened, 0.6 × as long as second–fifth tarsomeres combined. Second tarsomere 0.5 × as long as basitarsus, 1.3–1.4 × as long as fifth tarsomere (without pretarsus). Metasoma 1.1–1.4 × longer than head and mesosoma combined. First tergite distinctly and rather uniformly widened from base to subapex, almost parallel-sided apically, with large dorsope, with small spiracular tubercles, with shallow to very shallow and strongly oblique postero-lateral furrows. Length of first tergite 1.8–2.0 × its apical width; apical width ~1.8 × its minimum width. Second tergite with distinct and almost complete lateral sublinear and divergent carinae, with shallow longitudinal furrows delineated U-shaped median area. Length of second tergite approximately equal to its basal width, 2.0 × length of third tergite. In lateral view, lateral part of second tergite (separated dorsally by lateral carina and ventrally by crease) relatively narrow, mainly subparallel but weakly widened in posterior half. Ovipositor sheath 1.4–1.7 × longer than metasoma, 2.3 × longer than mesosoma, ~0.9 × as long as body, about as long as fore wing. Sculpture and pubescence. Vertex very densely and relatively finely granulate-reticulate, reticulation sometimes formed dense sinuate transverse ‘aciculae” in its posterior half. Frons densely transverse striate with reticulation at least partly. Face distinctly transversely curvedly striate almost entirely, sometimes with weak reticulation medially. Temple finely coriaceous, smooth or almost smooth on lower quarter or half. Mesoscutum densely reticulaterugulose with granulation partly, on its lateral lobes usually only granulate with fine aciculation partly, coarsely rugose-reticulate and with median carina on medioposterior 0.4. Scutellum densely and very finely reticulatecoriaceous. Mesopleuron widely curvedly striate and sometimes with rugosity in upper 1/2–1/3, smooth below. Metapleuron entirely coarsely rugose-areolate. Propodeum with areas distinctly delineated by carinae; basolateral area long and wide, smooth or finely reticulate in anterior half and rugulose-reticulate in posterior half, sometimes shortly striate along carinae; areola relatively irregular, 1.5–1.7 × longer than its maximum width; propodeum rugose-reticulate in posterior half, but finely rugulose to almost smooth in postero-lateral areas. Hind coxa mostly smooth, only sometimes striate dorsally at least partly. First tergite with distinct and convergent dorsal carina in basal 0.2–0.3, entirely coarsely striate and with dense reticulation between striae. Second tergites medially densely striate with reticulation, laterally densely rugose-areolate; third tergite in wide basolateral areas relatively finely, densely and small rugulose-areolate, smooth narrowly medially and widely posteriorly. Remainder tergites entirely smooth. Vertex with relatively sparse and short semi-erect yellowish setae in posterior half and laterally, glabrous widely anteriorly or medially. Mesoscutum entirely with short, very dense, and semi-erect whitish setae. Hind tibia dorsally with short dense semi-erect pale setae; their length 0.5–0.8 × maximum width of tibia. Colour. Head brownish yellow to yellow. Mesosoma reddish brown or yellowish brown to dark reddish brown with black or almost black propodeum and posterior part of mesopleuron. Metasoma with black first tergite, with reddish brown medial part and brown or yellowish brown posterior 0.3–0.5. Antenna reddish brown to dark reddish brown, sometimes almost black, three basal segments light reddish brown to brownish yellow. Palpi yellow or whitish yellow. Legs brownish yellow or yellow, tibiae basally pale yellow. Ovipositor sheath dark brown to black, Fore wing subhyaline. Pterostigma brown or pale brown, paler in apical 0.2; parastigma yellow. Male. Body length 2.0 mm; fore wing length 1.7 mm. Width of head 1.1 × its median length. Transverse diameter of eye (dorsal view) 1.1 × longer than temple. Ocelli arranged in obtuse triangle with base 1.4 × its sides; POL 3.0 × Od. Malar space 0.5 × height of eye, almost equal to basal width of mandible. Antenna filiform, with 22 antennomeres. First flagellomere 3.4 × longer than its maximum width. Penultimate flagellomere 4.0 × longer than wide, almost as long as apical flagellomere. Prescutellar depression of mesosoma with single medial carina, finely rugulose on remaining parts. Precoxal sulcus smooth. Pterostigma of fore wing almost as long as metacarp (1-R1). First abscissa of medial vein (1-SR+M) weakly sinuate. Second radiomedial (submarginal) cell ~ 3.0 × longer than its maximum width. Metasoma as long as head and mesosoma combined. First tergite weakly and weakly-curvedly widened from base to subapex; its length 1.7 × apical width. Length of second tergite 0.8 × its basal width, 1.5 × length of third tergite. Second tergite densely striate only medially on wide area; third tergite almost entirely smooth. Medial part of metasoma yellow. Otherwise, similar to female. Etymology. This species is named in honour of the Russian hymenopterist, one of the collectors of this new species, Dr Ekaterina V. Tselikh (ZISP, St Petersburg, Russia). Comparative diagnosis. This new species is similar to Sonanus senzuensis Belokobylskij & Konishi, 2001 (Belokobylskij and Konishi 2001) (Figs 1, 2), but differs from it by the median lobe of mesoscutum without longitudinal median depression (with such depression in S. senzuensis), the recurrent vein (m-cu) of fore wing distinctly postfurcal to first radiomedial vein (2-SR) (interstitial in S. senzuensis), the second tergite of metasoma 2.0 × longer than third tergite and without additional divergent furrows latero-posteriorly (1.3–1.4 × longer than third tergite and with additional divergent furrow latero-posteriorly in S. senzuensis), second radial abscissa (3-SR) of fore wing 2.3–2.4 × longer than first abscissa (r) (1.2 × in S. senzuensis), and the second radiomedial (submarginal) cell 1.1 × longer than brachial (first subdiscal) cell (0.7 × in S. senzuensis). Also this new species is similar to Chinese S. chinensis Belokobylskij & Chen, 2005 (Belokobylskij and Chen 2005), but distinctly differs from it in having the first metasomal tergite 1.8–2.0 × longer than its apical width (only 1.45 × in S. chinensis), the second tergite with lateral subparallel anteriorly and weakly curvedly posteriorly furrows delineated the U-shaped median area (with entirely and distinctly curved furrows delineated subround median area in S. chinensis), the length of second tergite equal to its basal width and 2.0 × length of third tergite (0.75 × its basal width and 1.1 × length of third tergite in S. chinensis), and the propodeum with areas distinctly delineated by carinae (without delineated areas and only with two subparallel median carinae posteriorly in S. chinensis). Distribution. Korean Peninsula., Published as part of Belokobylskij, Sergey A. & Ku, Deokseo, 2023, New species of the genus Sonanus Belokobylskij & Konishi, 2001 (Hymenoptera Braconidae: Doryctinae) from Korean Peninsula, pp. 124-132 in Zootaxa 5297 (1) on pages 125-131, DOI: 10.11646/zootaxa.5297.1.7, http://zenodo.org/record/7989509, {"references":["Belokobylskij, S. A. & Konishi, K. (2001) New genera of Doryctinae (Hymenoptera, Braconidae) from Japan. Entomological Science, 4 (2), 129 - 138.","Belokobylskij, S. A. & Chen, X. (2005) A review of the species of the Australo-Asian genus Sonanus Belokobylskij et Konishi (Hymenoptera: Braconidae: Doryctinae). Annales zoologici, 55 (3), 45 - 56."]}

Belokobylskij, Sergey A., Ku, Deokseo (2023): New species of the genus Sonanus Belokobylskij & Konishi, 2001 (Hymenoptera Braconidae: Doryctinae) from Korean Peninsula. Zootaxa 5297 (1): 124-132, DOI: 10.11646/zootaxa.5297.1.7, URL: http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN