Derallus

Derallus is a genus of water scavenger beetles in the family Hydrophilidae. There are about six described species in Derallus.

Species
These six species belong to the genus Derallus:
 * Derallus altus (LeConte, 1855)
 * Derallus ambitus d'Orchymont, 1940
 * Derallus angustus Sharp, 1882
 * Derallus intermedius Oliva, 1995
 * Derallus rudis Sharp, 1882
 * Derallus terraenovae Oliva, 1983