Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China
Authors: IRFAN MUHAMMAD , ZHANG ZHI-SHENG , PENG XIAN-JIN 
Published: February 2023

An extensive survey of Linyphiidae spiders during 1988–2006 in the Gaoligong Mountains and the adjacent areas of Yunnan Province revealed 110 species belonging to 53 genera, including seven new genera and 76 new species: Absconditus gen. nov., Absconditus acerus sp. nov. (♂♀); Amfractus gen. nov., A. dentefaberis sp. nov. (♂♀); Genus Bathyphantes Blackwall, 1859, A. acutala sp. nov. (♂♀); A. thailandica Barrion & Litsinger, 1995 (♀); Auricula gen. nov., A. aeda sp. nov. (♂♀), A. rutunda sp. nov. (♀), A. sanchaheensis sp. nov. (♀), A. triangulara sp. nov. (♂♀); Genus Bathyphantes Blackwall, 1859, B. ansulis sp. nov. (♂♀), B. gracilis (Blackwall, 1841) (♂), B. longiscapus sp. nov. (♂♀), B. magnis sp. nov. (♂♀); Genus Bolyphantes C. L. Koch, 1837, B. lishadiensis sp. nov. (♀), B. lushuiensis sp. nov. (♀); Genus Capsulia Saaristo, Tu & Li, 2006, C. tianmushana (Chen & Song, 1987) (♂♀); Genus Caviphantes Oi, 1960, C. catomidius sp. nov. (♂♀), C. pseudosaxetorum Wunderlich, 1979 (♀); Genus Ceratinella Emerton, 1882, C. acutalum sp. nov. (♂); Genus Cirrosus Zhao & Li, 2014, C. atrocaudatus Zhao & Li, 2014 (♀); Genus Collinsia O. Pickard-Cambridge, 1913, C. denticulata sp. nov. (♂♀), C. inerrans (O. Pickard-Cambridge, 1885) (♂♀); Genus Conglin Zhao & Li, 2014, C. personatus Zhao and Li, 2014 (♀); Cristatus gen. nov., C. anfractus sp. nov. (♂♀), C. makuensis sp. nov. (♂♀); Genus Curtimeticus Zhao & Li, 2014, C. rutundus sp. nov. (♀); Genus Erigone Audouin, 1826, E. ansula sp. nov. (♂♀), E. atra Blackwall, 1833 (♂♀), E. prominens Bösenberg & Strand, 1906 (♂♀), E. sinensis Schenkel, 1936 (♂♀); Genus Frontinellina van Helsdingen, 1969 (new to China), F. gemalakaensis sp. nov. (♀); Genus Gnathonarium Karsch, 1881, G. dentatum (Wider, 1834) (♂♀), G. gibberum Oi, 1960 (♂♀), G. taczanowskii (O. Pickard-Cambridge, 1873) (♀); Genus Gongylidiellum Simon, 1884, G. acerosus sp. nov. (♂); Genus Gongylidioides Oi, 1960, G. laqueus sp. nov. (♀), G. lingulatus sp. nov. (♀); Genus Gongylidium Menge, 1868, G. bifurcatus sp. nov. (♂♀), G. manibus sp. nov. (♂); Gracilentus gen. nov., G. denticulatus sp. nov. (♂♀), G. serratus sp. nov. (♀), G. tenchongensis sp. nov. (♀); Genus Himalaphantes Tanasevitch, 1992, H. aduncus sp. nov. (♂♀), H. azumiensis (Oi, 1979) (♂♀), H. auriculus sp. nov. (♀), H. fugongensis sp. nov. (♀), H. gyratus sp. nov. (♀), H. pseudoaduncus sp. nov. (♂), H. pulae sp. nov. (♀); Genus Houshenzinus Tanasevitch, 2006, H. tengchongensis Irfan & Peng, 2018 (♂♀) (male new to science); Genus Hylyphantes Simon, 1884, H. graminicola (Sundevall, 1830) (♂♀), H. spirellus Tu & Li, 2005 (♂); Genus Ketambea Millidge & Russell-Smith, 1992, K. acuta Tanasevitch, 2017 (♂♀), K. aseptifera sp. nov. (♀), K. falcata sp. nov. (♀), K. septifera sp. nov. (♀); Genus Laogone Tanasevitch, 2014, L. lunata Zhao & Li, 2014 (♂♀); Genus Lepthyphantes Menge, 1866, L. cordis sp. nov. (♂♀), L. serratus sp. nov. (♂); Genus Linyphia Latreille, 1804, L. gaoshidongensis sp. nov. (♀), L. pengdangensis sp. nov. (♀), L. triangularis (Clerck, 1757) (♀); Lutosus gen. nov., L. projectis sp. nov. (♂); Genus Megalepthyphantes Wunderlich, 1994, M. gongshanensis sp. nov. (♂♀), M. sanchaheensis sp. nov. (♀); Genus Mermessus O. Pickard-Cambridge, 1899, M. datangensis sp. nov. (♂♀); Genus Microlinyphia Gerhardt, 1928, M. pusilla (Sundevall, 1830) (♂♀), M. rehaiensis sp. nov. (♀), M. spirala sp. nov. (♀); Genus Molestia Tu, Saaristo & Li, 2006, M. ancorarius sp. nov. (♀), M. caudatus sp. nov. (♂♀), M. hamifer (Simon, 1884) comb. nov. (♂♀), M. yaojiapingensis sp. nov. (♀); Genus Mughiphantes Saaristo & Tanasevitch, 1999, M. latus sp. nov. (♂♀); Genus Nasoona Locket, 1982, N. crucifera (Thorell, 1895) (♀); Genus Nasoonaria Wunderlich & Song, 1995, N. orthogonia sp. nov. (♂♀), N. sinensis Wunderlich & Song, 1995 (♂♀), N. yunnanensis (Xia, Zhang, Gao, Fei & kim, 2001) comb. nov.; Genus Nematogmus Simon, 1884, N. cikaiensis sp. nov. (♀), N. lushuiensis sp. nov. (♀), N.membranifer Song & Li, 2008 (♂♀); Genus Nippononeta Eskov, 1992, N. coreana (Paik, 1991) (♂♀); Genus Oia Wunderlich, 1973, O. ceratinum sp. nov. (♂♀); Genus Paikiniana Eskov, 1992, P. lurida (♂♀); Genus Parameioneta Locket, 1982, P. bilobata Li & Zhu, 1993 (♂♀), P. tricolorata Zhao & Li, 2014 (♀); Genus Porrhomma Simon, 1884, P. longjiangense Zhu & Wang, 1983 (♀); Genus Prosoponoides Millidge & Russell-Smith, 1992, P. bangbieensis sp. nov. (♀), P. corneus sp. nov. (♀), P. guanduensis sp. nov. (♀), P. longiprojectus sp. nov. (♂♀), P. longyangensis sp. nov. (♀), P. minutus sp. nov. (♂♀), P. pianmaensis sp. nov. (♀), P. sinensis (Chen, 1991) (♂♀), P. yakouensis sp. nov. (♀), P. yani sp. nov. (♀), P. yapingensis sp. nov. (♂♀), P. yunnanensis sp. nov. (♀); Genus Ryojius Saito & Ono, 2001, R. furcatus sp. nov. (♂♀); Sinisterigone gen. nov., S. circularis sp. nov. (♂♀), S. incurvatis sp. nov. (♀), S. rutundis sp. nov. (♀); Genus Stemonyphantes Menge, 1866, S. bifurcatus sp. nov. (♂♀); Genus TaibaishanusTanasevitch, 2006, T. nankangensis sp. nov. (♂); Genus Tapinopa Westring, 1851, T. longicisterna sp. nov. (♀); Genus Tchatkalophantes Tanasevitch, 2001, T. lingulatis sp. nov. (♀); Genus Theoa Saaristo, 1995, T. hamata Tanasevitch, 2014 (♂) (new to China); Genus Ummeliata Strand, 1942, U. feminea (Bösenberg & Strand, 1906) (♂♀), U. insecticeps (Bösenberg & Strand, 1906) (♂♀); Genus Vietnagone Tanasevitch, 2019, V. denticulata sp. nov. (♂♀); Genus Walckenaeria Blackwall, 1833, W. circulara sp. nov. (♂♀). Among new species described here, forty five are known by single sex. The following genus and species are recorded for the first time in China: Genus Frontinellina van Helsdingen, 1969 and three species Atypena thailandica Barrion & Litsinger, 1995 (♀), Ketambea acuta Tanasevitch, 2017 (♂♀) and Theoa hamata Tanasevitch, 2014 (♂). The taxonomic placements of Lepthyphantes hamifer Simon, 1884, Lepthyphantes zhangmuensis Hu, 2001 and Walckenaeria yunnanensis Xia, Zhang, Gao, Fei & kim, 2001 are revised and proposed here as: Molestia hamifer (Simon, 1884) comb. nov. (♂♀), Nasoonaria yunnanensis (Xia, Zhang, Gao, Fei & Kim, 2001) comb. nov. and Himalaphantes zhangmuensis (Hu, 2001) comb. nov., respectively. Morphological descriptions of all new species, including photos of body and copulatory organs for all species, as well as the locality maps are provided.