Hesperosoma guizhouense A review of the genus Hesperosoma Scheerpeltz (Coleoptera, Staphylinidae, Staphylininae) of China Cai 1, Yu-Jie Tang 1, Liang Schillhammer 2, Harald ZooKeys 2021 2021-12-07 1075 137 174 3L5TX D293ABCA-9FD1-504F-86EC-C109C025C46A Schillhammer, 2018 Schillhammer 2018 Insecta Staphylinidae Hesperosoma CoL Animalia Hesperosoma (Paramichrotus) guizhouense Coleoptera 0 137 Arthropoda species guizhouense Paramichrotus   Figures 73-78   Hesperosoma guizhouense Schillhammer 2018: 44  Material examined.   China-  Guizhou Prov.• 1♂; Rongjiang County, Xiaodanjiang; 26°20'16.09"N, 108°20'23.34"E; alt.  700 m; 5 May 2021; De-Yao Zhouleg.; SHNU•  1♀; Leishan County, Leigong Mt.,  Xiannuetang; 26°22'22.11"N, 108°11'52.12"E; alt.  1550 m; 30 Apr 2021; Tang, Peng, Cai& Songleg.; SHNU.  Measurements.  Male.BL: 11.19 mm, FL: 6.17 mm. HL: 1.67 mm, HW: 2.29 mm, EYL: 0.71 mm, TL: 0.74 mm, PL: 2.17 mm, PW: 1.86 mm, EL: 2.76 mm, EW: 2.66 mm. HW/HL: 1.37, TL/EYL: 1.04, PL/PW: 1.17, EL/EW: 1.04.  Female.BL: 11.47 mm, FL: 6.11 mm. HL: 1.67 mm, HW: 2.17 mm, EYL: 0.65 mm, TL: 0.83 mm, PL: 2.11 mm, PW: 1.86 mm, EL: 2.69 mm, EW: 2.76 mm. HW/HL: 1.30, TL/EYL: 1.28, PL/PW: 1.13, EL/EW: 0.97.  Female characters. Tergite X (Fig. 78) slightly asymmetrical with blunt apex.  Distribution. China (Guizhou).  Diagnosis.   Hesperosoma guizhouensedoes not differ externally from two allopatric species,  H. klapperichiand  H. alexpuchneri, but it may be distinguished only by the shape of the aedeagus (Figs 73-75): paramere in  H. guizhouensewith relatively deeper medio-apical emargination, in  H. klapperichiwith relatively shallower medio-apical emargination and in  H. alexpuchneriwith acutely pointed apex. In one examined male specimen, the suture is reddish, which may be explained by the variability of the species.   Figures 73-78.  Hesperosoma guizhouense 73-74habitus 75-77aedeagus, lateral ( 75) and ventral ( 76) views, paramere ( 77) 78female abdominal tergite X. Scale bars: 2 mm ( 73-74), 0.2 mm ( 75-78). 2021-05-05 De-Yao Zhou China Rongjiang County 700 26.337803 Xiaodanjiang 1 108.33982 1 1 Guizhou Prov. 2021-04-30 Tang, Peng, Cai, Song China Leishan County 1550 26.372808 Xiannuetang 1 108.197815 Leigong Mt. 1 1 Guizhou Prov.