Ten new species of cavernicolous Tribasodites from China and Thailand, and a list of East Asian cave-inhabiting Pselaphinae (Coleoptera: Staphylinidae) Author Yin, Zi-Wei Department of Biology, College of Life and Environmental Sciences, Shanghai Normal University, 100 Guilin Road, Shanghai, 200234, P. R. China Author Nomura, Shûhei Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1, Amakubo, Tsukuba-shi, Ibaraki, 305 - 0005 Japan Author Li, Li-Zhen Department of Biology, College of Life and Environmental Sciences, Shanghai Normal University, 100 Guilin Road, Shanghai, 200234, P. R. China & Corresponding author; e-mail: pselaphinae @ gmail. com text Acta Entomologica Musei Nationalis Pragae 2015 2015-06-01 55 1 105 127 journal article 10.5281/zenodo.5319032 0374-1036 5319032 32572CA2-D2CB-4A01-B252-CCECB5320114 Tribasodites liboensis sp. nov. ( Figs 4 , 13A ) Type locality. China , Guizhou , Libo Xian, Yongkang Xiang, Bimang Dong. Type material. HOLOTYPE : J, ‘ Bimang Dong Cave ( 730 m ), Yongkang Xiang , Libo Xian , [ Guizhou , CHINA ] / {locality repeated in Chinese character} 27.v.2002 , T. Kishimoto lg.’ (NSMT). Diagnosis. Male : vertex simple, lacking modification; antennomeres VIII–XI modified; each eye composed of about 45 facets; pronotum with small lateral spines; metaventrite raised above metacoxae to form ridges, with a thin row of setae along each ridge; aedeagus with apical portion of the median lobe split to two parts, dorsal part slightly shorter than ventral part. Description. Male . Body ( Fig. 4A ) reddish brown, mouth parts, antennae and tarsi paler; BL 2.96 mm . HL 0.61 mm , HW 0.63 mm ; median longitudinal carina extending from base to level of eyes; each eye composed of about 45 facets; antennomeres VIII–IX modified ( Fig. 4B ). Pronotum as long as wide, PL 0.64 mm , PW 0.64 mm ; with distinct discal and lateral spines. Elytra slightly wider than long, EL 0.90 mm , EW 0.96 mm ; discal striae extending to half elytral length. Metaventrite ( Fig. 4C ) raised above metacoxae, with pair of straight rows of dense setae; metacoxae setose and protuberant at ventral margin, metatrochanters simple. Abdomen narrower than elytra, AL 0.81 mm , AW 0.87 mm . Aedeagus ( Figs 4D, E ) asymmetric, length 0.56 mm . Female . Unknown. Etymology. The new species is named after its type locality, Libo Xian; adjective. Distribution. Southwest China : Guizhou ( Fig. 13A ).