Description of three new species of Crenitis Bedel from China, with additional faunistic records for the genus (Coleoptera: Hydrophilidae: Chaetarthriinae)

摘要

Three new species of the genus Crenitis Bedel, 1881 are described from China: C. aduncata sp. nov. (Yunnan), C. lianggeqiui sp. nov. (Yunnan and Sichuan) and C. obovata sp. nov. (Guangxi and Guizhou). All three species are assigned to the subgenus Crenitis. New locality records in China are provided for C. apicalis (Reitter, 1896) (from Inner Mongolia) and C. convexa Ji & Komarek, 2003 (from Ningxia, Chongqing). A key to the Chinese species of the subgenus Crenitis is provided.