California Department of Fish and Wildlife
Aquatic Biological Assement

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Odontoceridae Level 1 Level 2



Key Characters

Larval case mainly of small rock fragments. Small fore trochantin, antennae situated at or very close to anterior margin of head capsule.  Dorsum of anal proleg with no more than 3-5 setae.

Tolerance 0
Distribution CA, OR, AZ