California Department of Fish and Wildlife
Aquatic Biological Assement

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Naucoridae Level 1 Level 2

Naucoridae

 

Key Characters

"Creeping water bugs," ovate, strongly dorsoventrally flattened.  Raptorial forelegs, middle and hind legs with swimming hairs. Found in subsurface aquatic habitats. Predaceous.
Tolerance 5-7
Distribution CA, OR, NV, AZ