Descriptions of six new species of Hydraena s.str. Kugelann from Japan (Coleoptera: Hydraenidae)

摘要

Six new species of Hydraena s.str. KuGELANN, 1794 are described from Japan (Honshu and Tsushima): H. curvipes (Nagano Pref.), H. hayashii (Shimane Pref.), H. kadowakii (Tottori Pref., Okayama Pref.), H. kamitei (Gifu Pref., Tochigi Pref.), H. kitayamai (Osaka Pref.), and H. tsushimaensis (Nagasaki Pref: Tsushima Isl.). The genus Hydraena is recorded from the island of Tsushima for the first time. Hydraena notsui Sat6, 1978 is recorded from Honshu for the first time.