Taxonomic study of subgenus Plastus s. str. (Coleoptera, Staphylinidae, Osoriinae) in China, with descriptions of five new species

Abstract

This paper treats Chinese species of the rove beetle genus Plastus Bernhauer, 1903, subgenus Plastus s. str. (Coleoptera, Staphylinidae, Osoriinae). None of the 87 previously described species of this subgenus are known from China. The following five new species are described and illustrated: Plastus (s. str.) amplus Wu & Zhou, sp. n. from Xizang, P. (s. str.) biconcavus Wu & Zhou, sp. n. from Guangxi, P. (s. str.) rhombicus Wu & Zhou, sp. n. from Yunnan, P. (s. str.) shanghaiensis Wu & Zhou, sp. n. from Shanghai, and P. (s. str.) tuberculatus Wu & Zhou, sp. n. from Hainan. A key to adults of the five known Chinese species is provided.