California Department of Fish and Wildlife
Aquatic Biological Assement

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Apataniidae Level 1 Level 2

Apataniidae

 

Key Characters

Antennae located between eye and anterior margin of head capsule. Abdominal gills single or lacking. Mandibles with ‘scraper blades’ in some genera.

Tolerance 0-1
Distribution CA, OR, WA, NV, AZ