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

Philopotamidae Level 1 Level 2



Key Characters

Meso- metanotum, abdominal segment IX membranous. Labrum membranous and T-shaped. Fixed, sac-like silk retreats ("finger-net caddis or silken-tube spinners"). Filter food particles with their retreats

Tolerance 2-4
Distribution CA, OR, WA, NV, AZ