A review of the genera Prismognathus Motschulsky and Cladophyllus Houlbert (Coleoptera: Scarabaeoidea: Lucanidae) from China, with the description of two new species

摘要

A classification scheme is provided for the genera Cladophyllus Houlbert, Cyclorasis Thomson, Eligmodontus Houlbert, Gonometopus Houlbert, Prismognathus Motschulsky and Tetrarthrius Didier. The Chinese species of Prismognathus (in the present sense) and Cladophyllus are reviewed, with the male and female genitalia illustrated. New distribution data are given for some Chinese species. Two new species of Prismognathus are described, P. haojiani new species from Guizhou, and P. shani new species from Sichuan. Keys to males and females of the Chinese Prismognathus and Cladophyllus are also given.