The first record of Caenis rivulorum (Ephemeroptera: Caenidae) from Japan

Abstract

Caenis rivulorum Eaton, 1884 is widely distributed and has been reported from a wide range in the Palearctic region.We report this species from Japan for the first time, from five locations of Hokkaido based on morphology and molecular data.

Keywords

• Ephemeroptera
• mayflies
• Caenidae
• <i>Caenis</i>