California Department of Fish and Wildlife
Aquatic Biological Assement

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Polycentropodidae Level 1 Level 2

Polycentropodidae

 

Key Characters

Meso- metanotum, abdominal segment IX membranous. Trochantin of prothoracic leg acute. Fixed, silk retreats ("trumpet-net and tube-making caddisflies"). Generally filter feeders, some predators.

Tolerance 5-6
Distribution CA, OR, WA, AZ