Hesperosoma (Paramichrotus) guizhouense Schillhammer, 2018

Cai 1, Yu-Jie, Tang 1, Liang & Schillhammer 2, Harald, 2021, A review of the genus Hesperosoma Scheerpeltz (Coleoptera, Staphylinidae, Staphylininae) of China, ZooKeys 1075, pp. 137-174 : 137

Hesperosoma (Paramichrotus) guizhouense Schillhammer, 2018

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 Zhou leg.; SHNU • 1♀; Leishan County, Leigong Mt., Xiannütang; 26°22'22.11"N, 108°11'52.12"E; alt. 1550 m; 30 Apr 2021; Tang, Peng, Cai & Song leg.; 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 guizhouense does not differ externally from two allopatric species, H. klapperichi and H. alexpuchneri , but it may be distinguished only by the shape of the aedeagus (Figs 73-75 ): paramere in H. guizhouense with relatively deeper medio-apical emargination, in H. klapperichi with relatively shallower medio-apical emargination and in H. alexpuchneri with acutely pointed apex. In one examined male specimen, the suture is reddish, which may be explained by the variability of the species.

Figures

Figures 73 - 78. Hesperosoma guizhouense 73 - 74 habitus 75 - 77 aedeagus, lateral (75) and ventral (76) views, paramere (77) 78 female abdominal tergite X. Scale bars: 2 mm (73 - 74), 0.2 mm (75 - 78).