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.
Highlights
The genus Acetalius Sharp was originally described from a single species, A. dubius Sharp, based on a male collected from leaf litter in Kyushu (Suwa Shrine), Japan (Sharp 1883)
Original description, Acetalius has been historically placed in the tribe Brachyglutini (Raffray 1903, 1904a, 1904b, 1904c 1908, 1911), in its own tribe Acetaliini (Jeannel 1958), or together with Philoscotus Sawada in subtribe Acetaliina of Euplectini (Besuchet 1985, Nomura 1988a, Newton and Chandler 1989)
During our investigation of the pselaphine fauna of eastern China, a third species of Acetalius was recognized among the material collected from Fengyangshan Nature Reserve, Zhejiang, which is described in this paper
Summary
The genus Acetalius Sharp was originally described from a single species, A. dubius Sharp, based on a male collected from leaf litter in Kyushu (Suwa Shrine), Japan (Sharp 1883). Introduction The genus Acetalius Sharp was originally described from a single species, A. dubius Sharp, based on a male collected from leaf litter in Kyushu (Suwa Shrine), Japan (Sharp 1883).
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