California Department of Fish and Wildlife
Aquatic Biological Assement

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Limnephilidae Level 1 Level 2

Limnephilidae

 

Key Characters

Mesonotum largely sclerotized, antennae about halfway between eye and anterior margin of head. Usually with prosternal horn and chloride epithelia on abdominal segments. Portable, tubular cases. Generally shredders of coarse organic matter primarily adapted to cool waters ("northern caddisflies").
Tolerance 0-4
Distribution CA, OR, WA, NV, AZ