Hydrocolus

Hydrocolus is a genus of beetles in the family Dytiscidae, containing the following species:


 * Hydrocolus deflatus (Fall, 1923)
 * Hydrocolus filiolus (Fall, 1923)
 * Hydrocolus heggiensis Ciegler, 2001
 * Hydrocolus oblitoides Roughley & Larson, 2000
 * Hydrocolus oblitus (Aubé, 1838)
 * Hydrocolus paugus (Fall, 1923)
 * Hydrocolus persimilis (Crotch, 1873)
 * Hydrocolus rubyae (Larson, 1975)
 * Hydrocolus rufiplanulus (Fall, 1923)
 * Hydrocolus rupinus Roughley & Larson, 2000
 * Hydrocolus sahlbergi Nilsson, 2001
 * Hydrocolus stagnalis (Gemminger & Harold, 1868)