中国厚腹牙甲属(PachysternumMotschulsky)昆虫  

The Genus-Pachysternum-Motschulsky of China (Coleoptera: Hydrophilidae: Sphaeridiinae)

作　　者：贾凤龙[1] 吴武[1] 蒲蛰龙[1] 

机构地区：[1]中山大学昆虫学研究所

出　　处：《中山大学学报（自然科学版）》1998年第1期125-127,共3页Acta Scientiarum Naturalium Universitatis Sunyatseni

摘　　要：报导了我国厚腹牙甲属１新种，即黑厚腹牙甲Ｐａｃｈｙｓｔｅｒｎｕｍｎｉｇｒｉｔｕｍｓｐ．ｎｏｖ．A new species, Pachysternum nigritum spnovis described. It can be separable from Pnigrovittatus by following characters:① pronotum and elytra black or brownish black without any spot or stripe;② elytra with dense punctures which have short pubescence each one, therefore, the elytra appear coarse;③ anterior tibiae indistinctly waved outsides;④ different aedeagus. The new species resembles P.curvatum d'Orchymont, the differences are:① elytra very coarse and not shining;② anterior tibiae with waved outsides and the rows of marginal spines interrupted;③ the different aedeagus (according to d'Orchymont's description). Holotype: male, Allotype female, Fengkai of Guangdong province, Ⅶ61986. Paratype 39 males and 39 females collected from Guangdong and Guangxi. All types are deposited in Collection of Research Institute of Entomology, Zhongshan University.

关 键 词：厚腹牙甲属 牙甲科 新种 中国 

分 类 号：Q969.48[生物学—昆虫学]