title: A new species of Acetalius Sharp from eastern China (Coleoptera, Staphylinidae, Pselaphinae).
abstract: The genus Acetalius Sharp currently contains two species from Japan. In this paper, a third species, Acetalius grandis Yin & Li, sp. n., is described from eastern China. The foveal pattern of Acetalius, and polymorphism and major diagnostic features of Acetalius grandis are figured. An updated key to Acetalius species is provided.
authors.affiliation: Department of Biology, Shanghai Normal University, 100 Guilin Road, Shanghai, 200234, P. R. China.
authors.forename: Zi-Wei
authors.initials: ZW
authors.lastname: Yin
authors.affiliation: Department of Biology, Shanghai Normal University, 100 Guilin Road, Shanghai, 200234, P. R. China.
authors.forename: Li-Zhen
authors.initials: LZ
authors.lastname: Li
keywords: Acetalius; Asia; eastern China; key; new species; taxonomy