Stigmatochirus

Li, Guo-Feng, Li, Hong-Wei, Liu, Ying-Jie & Huang, Rong-Wen, 2013, A new species of the subgenus Stigmatochirus of Plastus Bernhauer (Coleoptera: Staphylinidae: Osoriinae) from Yunnan, China, Zootaxa 3636 (1), pp. 190-195 : 194

Key to the species of Stigmatochirus from China

1 The third segment of antenna slightly longer than the 2nd one; known from Tibet.................. P. (S.) abori Bernhauer

- The third segment of antenna at least twice as long as the 2nd one................................................ 2

2 Each plate of ninth tergite with 12 setae of various length; each side of tenth tergite posterior margin with 9 long setae; ninth sternite apical plate with four pairs of setae; inner lobe of maxilla with five teeth at the apex; parameres protruding dorsally and connected in form a characteristic triangular structure; known from Mengla.............. P. (S.) magnificus Wu & Zhou

- Each plate of ninth tergites with 13 setae of various length; each side of tenth tergite posterior margin with 8 long setae; ninth sternite apical plate with three pairs of setae; inner lobe of maxilla with three teeth at the apex; parameres not forming a triangular structure; known from Mengla........................................... .. P. (S.) menglaius sp. nov. Li