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New morphological, taxonomic and faunistic data of the genus Deinopteroloma Jansson, 1946 from China are provided. Two species are described and illustrated: D.songi Peng & L.-Z. Li, sp. n. (Xizang: Pailong) and D.spinigerum Peng & L.-Z. Li, sp. n. (Hunan: Mangshan). New provincial records are provided for D.hamatum Smetana, 1996 from Anhui, Zhejiang and Jiangxi, D.obtortum Assing, 2015 from Sichuan, and D.tricuspidatum Smetana, 1996 from Zhejiang.

The genus Acetalius Sharp currently contains two species from Japan. In this paper, a third species, Acetalius grandis Yin & Li, sp. n., is described from eastern China. The foveal pattern of Acetalius, and polymorphism and major diagnostic features of Acetalius grandis are figured. An updated key to Acetalius species is provided.

Six new species of the genus Linan Hlaváč are described from central to southern China: L.arcitibialissp. n. (Hubei), L.denticulatussp. n. (Guizhou), L.divaricatussp. n. (Jiangxi), L.geneolatussp. n. (Guizhou), L.mangshanussp. n. (Hunan), and L.mulunensissp. n. (Guangxi), with illustrations of habitus and major diagnostic characters. Linanmegalobus Yin & Li, originally described from Guizhou, is newly recorded in Hubei. An updated key to and a distributional map of all 16 known species are provided.

Paederus (Harpopaederus) xui Peng & Li, sp. n. (Sichuan: Micang Shan) is described. Additional records of five Harpaederus species are reported. All of these species are illustrated.

Continuing surveys on the pselaphine fauna in China have revealed four undescribed species of the genus Batrisodes: Batrisodesangustelytratussp. n. (with Pachycondyla ant) and Batrisodeslongwangshanussp. n. from Zhejiang, Batrisodesbamiansp. n. (with Pseudolasius ant) from Hunan, and Batrisodessongxiaobinisp. n. (with Formica ant) from Yunnan. The genus Batrisodellus is placed as a junior synonym of Batrisodes, syn. n.; this taxonomic act results in eight new combinations:Batrisodescerberus, Batrisodescoprea, Batrisodescristatus, Batrisodesfengtingae, Batrisodeslaticollis, Batrisodeslongulus, Batrisodespalpalis, and Batrisodespunctipennis. The Russian Far East species Basitrodescornutus is transferred to Batrisodes, comb. n.

Three new species of the pygostenine genus Doryloxenus Wasmann, viz., Doryloxenus aenictophilus sp. n. (from Zhejiang), Doryloxenus tangliangi sp. n. (from Zhejiang), and Doryloxenus songzhigaoi sp. n. (from Yunnan), are described, illustrated and distinguished from the Asian congeners. An identification key to the Chinese species is given.

Dysanabatium hainanense Peng & Li, sp. n. (Hainan: Wuzhi Shan, Diaoluo Shan) is described and illustrated. Additional records of D. jacobsoni Bernhauer, 1915 are reported. The habitus, the sexual characters, and the distribution of this enormously variable species are illustrated.

Lobrathium fuscoguttatum sp. n. (type locality: Guangxi) is described and illustrated. The latest key to the Lobrathium species of mainland China is modified to include the new species. Additional data are provided for six previously described species.

This paper is the first of a series that deals with Dr. Michael Schülke’s collection of Pselaphinae from China. The tyrine genera Labomimus Sharp, Linan Hlaváč and Pselaphodes Westwood are chosen for the first part. The study revealed fourteen new species, all described and illustrated: Labomimus cognatus Yin & Li, sp. n. (Yunnan), Labomimus dabashanus Yin & Li, sp. n. (Hubei, Shaanxi), Labomimus mirus Yin & Li, sp. n. (Yunnan), Labomimus paratorus Yin & Li, sp. n. (Shaanxi), Labomimus sarculus Yin & Li, sp. n. (Yunnan), Labomimus schuelkei Yin & Li, sp. n. (Shaanxi), Labomimus vespertilio Yin & Li, sp. n. (Yunnan), Linan tendothorax Yin & Li, sp. n. (Yunnan), Pselaphodes distincticornis Yin & Li, sp. n. (Yunnan), Pselaphodes erlangshanus Yin & Li, sp. n. (Sichuan), Pselaphodes flexus Yin & Li, sp. n. (Yunnan), Pselaphodes tibialis Yin & Li, sp. n. (Yunnan), Pselaphodes venustus Yin & Li, sp. n. (Yunnan) and Pselaphodes zhongdianus Yin & Li, sp. n. (Yunnan). Pselaphodes jizushanus Yin, Li & Zhao is recorded from a new locality in Yunnan and its aedeagus is newly illustrated; new province records for Pselaphodes nomurai Yin, Li & Zhao is provided. Labomimus torus (Yin, Li & Zhao), comb. n. is moved from Pselaphodes after an examination of the holotype. Species represented only by unassociated females are listed with label data.

A new Episcaphium species collected from Yunnan Province of China is described as Episcaphium zhuxiaoyui sp. n., and its diagnostic characters are illustrated. A new province record of Episcaphium haematoides is reported. A key to the Episcaphium species recorded from China is provided.

Five new species of the ant-like stone beetle genus Horaeomorphus Schaufuss (Scydmaeninae: Glandulariini) from China are described: Horaeomorphus hainanicus sp. n., Horaeomorphus biwenxuani sp. n., Horaeomorphus pengzhongi sp. n., Horaeomorphus hujiayaoi sp. n. and Horaeomorphus punctatus sp. n. The previously unknown male of Horaeomorphus chinensis Franz, 1985 is now discovered, and its aedeagus and metatrochanter are illustrated. The latter species is newly recorded from Zhejiang. Three females from Guangxi are also recorded, but their identity remains unconfirmed until associated males become available. A key to Horaeomorphus of mainland China is included.

Material of the genus Lobrathium Mulsant & Rey, 1878 from the Chinese provinces Fujian, Hunan, Sichuan, Guangdong and Guangxi is examined. Six species are identified, four of them described previously and two undescribed. Lobrathium kedian Peng & Li, sp. n. (Guangxi: Shiwangda Shan) is described and illustrated. One probably undescribed species remains unnamed. The female sexual characters of Lobrathium flexum Assing, 2014 are described and illustrated for the first time. The genus is now represented in mainland China by 43 species.

Two new species, Batricavus abdominalis Yin & Li, sp. n. and B. hainanensis Yin & Li, sp. n. are described from Hainan, South China, with male habitus and major diagnostic features illustrated. Batricavus tibialis Yin & Li is newly recorded from Zhejiang, East China. Keys to both sexes of the genus are included.

Three new species of the genus Lathrobium Gravenhorst, 1802 from Sichuan Province, Southwest China are described and illustrated: L. acutissimum sp. n., L. hailuogouense sp. n. and L. labahense sp. n. A checklist of Chinese Lathrobium is provided.

Two new species of Lesteva Latreille are described and illustrated from Longwangshan Mountain, East China, viz. L. cala Ma & Li, sp. n. and L. erythra Ma & Li, sp. n. The latest key to Chinese Lesteva is modified to include the species described from continental China since 2000.

This dataset contains the digitized treatments in Plazi based on the original journal article Peng, Zhong, Li, Li-Zhen, Zhao, Mei-Jun (2012): Three new species of the genus Lathrobium Gravenhorst (Coleoptera, Staphylinidae, Paederinae) from the Jiulongshan Natural Reserve, East China. ZooKeys 184: 57-66, DOI: http://dx.doi.org/10.3897/zookeys.184.2634, URL: http://dx.doi.org/10.3897/zookeys.184.2634

Five new species of the Stenus indubius group from China are described: S. cangshanus sp. n. from Yunnan Province, S. hewenjiae sp. n. from Sichuan Province, S. taiyangshanus sp. n. from Guangdong Province, S. yinziweii sp. n. and S. zhaiyanbini sp. n. from Guizhou Province. Diagnostic characters are illustrated and a key to the species of this group from the Chinese mainland is provided.

Species of the genus Lathrobium Gravenhorst from Longwangshan Mountain, Zhejiang, East China are studied. A total of five species are recognized, among which three are described here as new: L. lingae sp. n., L. longwangshanense sp. n. and L. uncum sp. n., one species was unidentified and the female of L. tianmushanense Watanabe is newly reported. All of these species are illustrated and keyed.

Two new species of the genus Quedius Stephens collected from Nabanhe Nature Reserve, Yunnan Province, Q. nabanhensis sp. n. and Q. maoxingi sp. n., are described and illustrated. Keys to the multipunctatus group and intricatus group of Quedius species of Yunnan are provided. A map of the collecting sites is given.

Dayao pengzhongi gen. et sp. n. is described and illustrated based on the material collected in Guangxi Province, South China. The genus is placed in the oriental ‘Pselaphodes complex’ of genera of the subtribe Tyrina and its taxonomic placement is discussed.

A total of three Chinese species of the genus Intestinarius Kurbatov, 2007 are recognized, among which, two new species are described: I. guangdongensis sp. n. from Guangdong and I. longiceps sp. n. from Guizhou. Illustrations of major diagnostic characters are given for all three Chinese species including I. kuzmini Kurbatov, 2007. A key is included to aid in their identification.

Two new species of the genus Nazeris Fauvel collected from Nabanhe Nature Reserve, Yunnan Province, are described under the names of N. nabanhensis sp. n. and N. caoi sp. n. The male sexual characters are described and illustrated. A key to the Nazeris species of Yunnan is provided. A map of the collecting sites is given.

A new distinctive species of the rare Oriental goniacerine genus Awas Löbl, Awas gigas sp. n., is described and illustrated, based on three males and fourteen females taken at the Daoyao Shan Natural Reserve in the southern Chinese province of Guangxi. All specimens were collected from colonies of the ant genus Pachycondyla F. Smith nesting in decomposing woods.

A new species of Rugilus Leach, Rugilus (Rugilus) huanghaoi sp. n. from Qinling, Shaanxi Province, China, is described and illustrated. Additional records of seven species from Qinling are reported.

Two new species of the genus Horniella Raffray are described from China: Horniella aculeata sp. n. (Yunnan Province) and Horniella jinggangshana sp. n. (Jiangxi Province). Horniella nakhi Yin & Li is recorded from a new locality. Three potentially new species from Myanmar and China, each represented by female specimen(s) only, are left unnamed. Their collecting data are given, and the genital complex figured for future comparison.

Material of the paederine genera Domene Fauvel, 1873 and Lathrobium Gravenhorst, 1802 from the Dayao Mountains, southern China, is examined. Eight species are identified, three of them described previously and five undescribed. Four species are described and illustrated for the first time: Domene hei Peng & Li, sp. n., Lathrobium jinxiuense Peng & Li, sp. n., Lathrobium kuan Peng & Li, sp. n. and Lathrobium leii Peng & Li, sp. n. One probably undescribed species of Lathrobium remains unnamed.

Material of the paederine genus Domene Fauvel, 1873 from China is examined. Nine species were identified, four of them described previously, one unnamed (represented exclusively by females), and four are newly described: Domene cultrata sp. n. (Gansu, Hubei, Shaanxi); Domene cuspidata sp. n. (Gansu, Shaanxi, Sichuan); Domene chenae sp. n. (Guangxi); Domene reducta sp. n. (Sichuan). A lectotype is designated for Domene reitteri Koch, 1939; a neotype is designated for Domene chenpengi Li, 1990. Domene dersuuzalai Gusarov, 1992 is placed in synonymy with Domene chenpengi. Previous records of two Japanese species from China are most likely based on misidentifications and considered erroneous. Thus, the Domene fauna of China is currently composed of twelve described species. A key to the Domene species of China is provided. The distributions of eleven species are mapped.

Three new species belonging to two genera of the aleocharine tribe Termitopaediini Seevers, viz., Dioxeuta rara Song & Li, sp. n., D. yunnanensis Song & Li, sp. n., and Termitopulex sinensis Song & Li, sp. n. from Baihualing Natural Reserve (Southwest China: Yunnan) are described and illustrated. This is the first record of Termitopulex Fauvel, 1899 from China.

Paederus jianyueae Peng & Li, sp. n. (Zhejiang: Qingliangfeng) is described and illustrated. Additional records of P. biacutus Li, Zhou & Solodovnikov, 2014 and P. parvidenticulatus Li, Zhou & Solodovnikov, 2014 are reported..

A review of 21 species of Scaphidium Olivier from East China is presented, including 6 new species: S. jinmingi sp. n. (Zhejiang, Anhui, Chongqing), S. crypticum sp. n.(Zhejiang, Fujian, Jiangxi, Guangxi), S. varifasciatum sp. n. (Zhejiang, An’hui), S. robustum sp. n. (Fujian, Guizhou, Chongqing, Guangxi, Yunnan), S. connexum sp. n. (Zhejiang, Fujian, Guangxi), and S. bayibini sp. n. (An’hui). New province records for S. comes Löbl, S. grande Gestro, S. sauteri Miwa & Mitono, S. formosanum Pic, S. carinense Achard, S. sinense Pic, S. delatouchei Achard, S. biwenxuani He, Tang & Li, S. klapperichi Pic, S. stigmatinotum Löbl, S. wuyongxiangi He, Tang & Li, and S. direptum Tang & Li as well as some biological notes are reported. Habitus and diagnostic characters of all species are photographed and a key to Scaphidium species of East China is provided.

Lobrathium jianqingi sp. n. (Guangxi: Shiwanda Shan) and Lobrathium atanggei sp. n. (Yunnan: Nabanhe) from southwest China are described and illustrated.

The genus Nitidotachinus Campbell of Mainland China is reviewed with descriptions of five new species: Nitidotachinus anhuiensis sp. n. (Anhui), Nitidotachinus bini sp. n. (Zhejiang), Nitidotachinus brunneus sp. n. (Zhejiang), Nitidotachinus capillosus sp. n. (Zhejiang), and Nitidotachinus xiangi sp. n. (Hubei). Nitidotachinus excellens concolor Schülke is synonymized with Nitidotachinus excellens syn. n. All treated species are described with their major diagnostic characters illustrated. An identification key to the species is given.

The male of Lobrathium rotundiceps (Koch, 1939) from Zhejiang and L. luoxiaoense sp. n. from Jiangxi are described and illustrated.

Seven new species of the genus Lobrathium Mulsant & Rey from China are described and illustrated: L. anatinum Li & Li, sp. n. (Guangxi), L. diaoluoense Li & Li, sp. n. (Hainan), L. dufui Li & Li, sp. n. (Hubei), L. lirunyui Li & Li, sp. n. (Guizhou), L. pengi Li & Li, sp. n. (Guangxi), L. quyuani Li & Li, sp. n. (Hubei) and L. uncinatum Li & Li, sp. n. (Qinghai). A recent key to the species of mainland China is modified to accommodate the new species. New locality data are provided for eleven species.

Keywords: Tyrodes jenisi Yin & Li, sp. n., of the pselaphine tribe Tyrini, from Yunnan, Southwest China is described, illustrated and distinguished from allied species mainly using aedeagal characters. This represents the first record of Tyrodes in China. Staphylinidae, Pselaphinae, taxonomy, Tyrodes, new species, China Introduction The small genus Tyrodes Raffray currently contains six valid species scattered in the Oriental (5 spp.) and Northeast Palaearctic (1 sp.) regions: Tyrodes histrio (Schaufuss, 1887) (Sri Lanka, type species), Tyrodes championi (Jeannel, 1960) (India), Tyrodes clavatus (Raffray, 1895) (Singapore), Tyrodes janetscheki Besuchet, 1970 (Nepal), Tyrodes setosus Jeannel, 1957 (Vietnam), and Tyrodes segrex Kurbatov, 1990 (Russian Far East) (Raffray 1895, 1908; Newton and Chandler 1989; Hlavac and Chandler 2005). Tyrodes is allied to the Holarctic and Oriental Tyrus Aube by sharing a similar general habitus, and similar forms of the maxillary palpi and pronotum. The two genera can be separated by the presence of an indistinct frontal fovea, the abdominal tergite IV (first visible tergite) being longer than tergite V, and the aedeagus being stouter and has a short median lobe in Tyrodes, while Tyrus has a distinct frontal fovea, the tergite IV is subequal to tergite V, and the aedeagus is more slender and bears a longer median lobe. In this paper, we report a new species of Tyrodes from Yunnan, Southwest China. A diagnosis, a description, and illustrations of male diagnostic features are provided. This also represents the first record of the genus in China.

Two new species of the tyrine genus Megatyrus Hlaváč & Nomura, M. schuelkei Yin & Li, sp. n. (based on two males) and M. tengchongensis Yin & Li, sp. n. (based on one female), from Yunnan, Southwest China are described, illustrated and distinguished from allied species. The body size, form of maxillary palpi, male and female genital structures, and distributional patterns are used to separate the new species.

A study on the Steninae of Ningxia Autonomous Region is presented. Sixteen species are recognized, including new province records for 11 species and four new species: Stenus biwenxuani sp. n., S. liupanshanus sp. n., Dianous yinziweii sp. n., D. ningxiaensis sp. n. Habitus photos of the new species, illustrations of diagnostic characters of all species and a key to species of the Steninae recorded from Ningxia are provided.

Two new Chinese species of Derops are described: D. hainanus sp. n. from Hainan and D. yunnanus sp.n. from Yunnan. Females of D. punctipennis Schülke and D. schillhammeri Schülke are described for the first time and new provinces records of D. smetanai Schülke and D. dingshanus Watanabe are reported. The key to Chinese species of Derops published by Schülke 2003 is modified to include the new species.

A new genus and species, Pengzhongiella daicongchaoi, of the subtribe Batrisina (Batrisitae: Batrisini) is described from the Gaoligong Mountains, Yunnan, Southwest China. Adults were collected in a colony of Odontomachus monticola, and presented reduction of certain external characters and elongate appendages relating to myrmecophily. Description and illustrations of the habitus and major diagnostic features of the new taxon are provided; a brief discussion of its taxonomic placement is included. The new species also represents the first record of a Pselaphinae in association with an Odontomachus ant.

Eight apterous species of the paederine genus Lathrobium Gravenhorst, 1802 from the Chinese province Sichuan are described, illustrated, and distinguished from closely related and/or geographically close congeners: L. erlangense Peng & Li sp. n. (Erlang Shan), L. blandum Peng & Li sp. n. (Labahe N. R.), L. yelense Peng & Li sp. n. (Yele), L. obscurum Peng & Li sp. n. (Yele), L. yinziweii Peng & Li sp. n. (Yele), L. illustre Peng & Li sp. n. (Yele), L. micangense Peng & Li sp. n. (Micang Shan) and L. agglutinatum Assing & Peng sp. n. (Qingcheng Shan). The total number of described Lathrobium species from Sichuan now stands at 39, that of mainland China at 165.

Five new apterous species of the genus Lathrobium Gravenhorst, 1802 from Baishanzu Natural Reserve, Zhejiang, East China, L. baishanzuense sp. n., L. immanissimum sp. n., L. obstipum sp. n., L. pilosum sp. n. and L. tangi sp. n., are described and illustrated. The Lathrobium fauna of the study region is represented by two distinct lineages.

Two new apterous species of the genus Lathrobium Gravenhorst, 1802 from Fujian Province, East China, L. daocongchaoi Peng & Li, sp. n. and L. fujianense Peng & Li, sp. n., are described and illustrated.

Two new species of the Stenus indubius group from China are described: S. huapingensis sp. n. from Guangxi Province and S. zhujianqingi sp. n. from Zhejiang Province. Habitus photos and illustrations of diagnostic characters of the new species and two described species, S. paradecens Tang & Li, 2005 and S. guniujiangense Tang & Li, 2005, are provided.

Two new species, Pselaphodes linae Yin & Li, sp. n. (Hainan, Fujian) and P. shii Yin & Li, sp. n. (Hainan) are described from South China. Taiwanophodes minor Hlaváč is reported from outside Taiwan for the first time. Illustrations of major diagnostic features are provided for all treated taxa. The latest key to Chinese Pselaphodes is modified to include the new species.

A new species, Apteroloma zhejiangense sp. n., is described from Zhejiang Province, China. The habitus and sexual characters of the new species are illustrated. Apteroloma jinfo Růžička, is reported for the first time from China: Hubei and Hunan Provinces, and A. potanini (Semenov, 1893) from Ningxia and Henan Provinces. Presence of A. kozlovi Semenov-Tian-Shanskij & Znojko in Semenov-Tian-Shanskij, 1932 in South Korea is confirmed based on re-examined material.

Araneibatrus gracilipes gen. n. and sp. n. from South China is described and illustrated. The systematic position of the genus is discussed.