Hydrobius

Hydrobius is a genus of hydrophilid beetles that contains nine species distributed throughout the Holarctic realm.
 * Hydrobius arcticus Kuwert, 1890
 * Hydrobius convexus Brullé, 1835
 * Hydrobius fuscipes (Linnaeus, 1758)
 * Hydrobius melaenus (Germar, 1824)
 * Hydrobius orientalis Jia & Short, 2009
 * Hydrobius pauper Sharp, 1884
 * Hydrobius pui Jia, 1995
 * Hydrobius punctistriatus Jia, 1995
 * Hydrobius tumidus LeConte, 1835