ATTRIBUTIONS MADE FOR: Description of a new species of the Charaea coomani group (Coleoptera: Chrysomelidae: Galerucinae) from Vietnam with a key to species

The genus Charaea Baly is distributed in the eastern Palaearctic, Himalayas, China and adjacent countries of the Oriental Region. Currently, 59 species of the genus Charaea have been recorded. The species of Charaea is characterised with a robust tubular aedeagus that terminates with a more or less distinct apical process with the Charaea coomani group having an internal sac with long sharp lateral sclerites. Up to now, 13 species of this group have been described in the Oriental Region, four of which are found in Vietnam.Charaea dinhcuongi sp. nov. is described as a new species, based on specimens collected from Phu Quoc Island in southern Vietnam. Colour photographs of habitus and body details and DNA barcode sequences are presented. An identification key is provided for all Vietnamese species from the Charaea coomani group.

Charaea Baly 属广泛分布于东欧亚、喜马拉雅山脉、中国及其相邻的东方地区。截至目前，已记录该属的 Charaea 物种共59种。Charaea 物种的特征在于其粗壮的管状阳茎，其末端带有或多或少明显的顶端突起。其中，Charaea coomani 群的内部囊中具有长而尖锐的侧硬片。在东方地区，已描述了该群13个物种，其中四个物种分布在越南。新物种 Charaea dinhcuongi 被描述为基于从越南南部富国岛收集的标本。展示了习性、身体细节的彩色照片和DNA条形码序列。为 Charaea coomani 群的所有越南物种提供了一个鉴定关键。