California Department of Fish and Wildlife
Aquatic Biological Assement

California Digital Reference Collection Home | Family Level | Level 1 Taxonomy | Level 2 Taxonomy

Jump to:

Ephemeroptera Odonata Plecoptera Hemiptera Megaloptera Neuroptera Trichoptera Lepidoptera Coleoptera Diptera Non-Insects

Isonychiidae Level 1 Level 2



Key Characters

All abdominal gills similar in position and structure; Gill fibrils shorter than gill plates. Fore coxa possess gills, fore tibiae possess filtering hairs. Larvae minnow-like.

Tolerance 2
Distribution CA, NV, AZ