Water beetle

A water beetle out of water

Water beetles are beetles who live in water. Water beetles are black, brown, or greenish. They are 0.08 to 1.57 inches long. There are 2,000 species of water beetles. These include whirligig beetles (Gyrinidae), Haliplidae, Noteridae, Amphizoidae, Dytiscidae, and Hydroscaphidae.

Water Beetle Media

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  Water Beetles (Dytiscidae). a, Beetle (Cybister sp.); b, head of beetle with feelers and gunts (Agabus); c, larva (Larva of Dytiscus, Water Beetle); d, pupa (Pupa of Dytiscus).

References

• Epler, J. H. 1996. Identification manual for the water beetles of Florida (Coleoptera: Dryopidae, Dytiscidae, Elmidae, Gyrinidae, Haliplidae, Hydraenidae, Hydrophilidae, Noteridae, Psephenidae, Ptilodactylidae, Scirtidae). (PDF, 9.0 MB)