Four new species of Scydmaeninae and Pselaphinae (Coleoptera: Staphylinidae) from Yunnan, China

Four new staphylinid species from China are described, based on material collected from Tangli Mountain, Yunnan: Euconnus (s. str.) vertexalis Li Yin, sp. nov. and Syndicus (Semisyndicus) wangjisheni Li Yin, sp. nov. of the subfamily Scydmaeninae, and Tmesiphorus tanglimontis Li Yin, sp. nov. and Tribasodites tubericeps Li Yin, sp. nov. of the subfamily Pselaphinae. Illustrations of the habitus and major diagnostic characters of each new species are provided.