California Department of Fish and Wildlife
Aquatic Biological Assement

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Peltoperlidae Level 1 Level 2



Key Characters

Body roachlike in appearance.Glossae and paraglossae subequal.May have conical gills at base of legs. Thorax is large with ventral overlapping plates. Adults have 2 ocelli.

Tolerance 1-2
Distribution CA, OR, WA, NV