California Department of Fish and Wildlife
Aquatic Biological Assement

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Leipdostomatidae Level 1 Level 2

Lepidostomatidae

 

Key Characters

Mesonotum largely sclerotized. Antennae situated close to anterior margin of eye. Without dorsal hump on abdominal segment I. Portable, tubular cases (late-instar cases often four-sided). Shredders of coarse organic materials. Lepidostoma only genus in CA.
Tolerance 1
Distribution CA, OR, WA, NV, AZ