Hydrodytes is a genus of predaceous diving beetles in the family Dytiscidae. There are at least three described species in Hydrodytes. It is found in North America and the Neotropics. Species These three species belong to the genus Hydrodytes: Hydrodytes dodgei (Young, 1989) Hydrodytes inaciculatus (Guignot, 1957) Hydrodytes opalinus (Zimmermann, 1921) Further reading (2026). 9789004330290, Apollo Books. ISBN 9789004330290 Categories: Dytiscidae