Dytiscidae

plural noun
Dy·​tis·​ci·​dae | \ -səˌdē\

Definition of Dytiscidae

: a family of predacious aquatic beetles of oval flattened form with filamentous antennae comprising the diving beetles, being notably voracious, and feeding on aquatic insects, worms, and even young fish — see water devil

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History and Etymology for Dytiscidae

New Latin, from Dytiscus, type genus + -idae

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