Callimerus okinawanus is synonymized with Callimerus prasinatus. Callimerus taiwanus is newly recorded from Ishigaki-jima and Iriomote-jima, Okinawa Pref., Japan. Diagnostic characters and male and female genitalia of two species are described based on the type series and additional materials. Callimerus prasinatus is also recorded from Kotakara-jima, Kagoshima Pref. for the first time.
https://ror.org/017hkng22 
