Description of a new species of the genus Chrysolina (Coleoptera: Chrysomelidae) from Honshu, and notes on records of Chrysolina aeruginosa in Japan

A new species of the genus Chrysolina Motschulsky, 1860 from Nagano Prefecture, Honshu, Japan is described as Chrysolina (Allohypericia) orochi sp. nov. with detailed illustrations of the male and female genitalia, description of larva and pupa, and record of its host plant, Artemisia capillaris Thunberg (Asteraceae). Chrysolina (Allohypericia) aeruginosa (Faldermann, 1835) is excluded from Japanese fauna based on revision of the previously published records.