The subgenus Sinephemera Kluge, 2004 in China (Ephemeroptera: Ephemeridae: Ephemera Linnaeus, 1758).

China has the greatest diversity of species within the genus Ephemera Linnaeus, 1758. However, there has been no systematic revision of these species in recent decades, particularly concerning their nymphs. This study describes and photographs 13 Chinese species from the subgenus Sinephemera Kluge, 2004, including five new ones (E.