Predaceous-beetles
Guides
Colymbetinae
Colymbetinae is a subfamily of predaceous diving beetles in the family Dytiscidae, containing approximately 11 genera and at least 130 described species. Members are aquatic predators found in diverse freshwater habitats across multiple continents. The subfamily includes the genera Colymbetes, Rhantus, Meladema, and others, with some species serving as indicators of wetland conservation value.