A taxonomic revision of Tyrini of the Oriental region. V. Revision of the genus Lasinus Sharp, 1874 (Coleoptera, Staphylinidae, Pselaphinae)

Abstract

The genus Lasinus Sharp, 1874 of the Pselaphodes complex of genera (Pselaphitae: Tyrini: Tyrina) is revised. The three so far known species, L. mandarinus Raffray, 1890, L. monticola Sawada, 1961 and L.spinosus Sharp, 1874 are redescribed. Eight new species, L. sinicus sp. n. from China, L. mikado sp. n., L.yamamotoi sp. n., L. inexpectatus sp. n., L. yakushimanus sp. n., L. amamianus sp. n., L. saoriae sp. n., and L. okinawanus sp. n. from Japan, are described. And all species are illustrated. Lectotypes are designated for L. mandarinus and L. spinosus. An identification key to species of the genus Lasinus is provided.