California Department of Fish and Wildlife
Aquatic Biological Assement

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Brachycentridae Level 1 Level 2



Key Characters

Mesonotum largely sclerotized. Abdominal segment I without dorsal and lateral humps. Portable, tubular cases (many can be four-sided) Generally suspended-particle and substrate-surface feeders.

Tolerance 1-3
Distribution CA, OR, WA, NV, AZ