California Department of Fish and Wildlife
Aquatic Biological Assement

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Ephemeroptera Odonata Plecoptera Hemiptera Megaloptera Neuroptera Trichoptera Lepidoptera Coleoptera Diptera Non-Insects

Pelecorhynchidae Level 1 Level 2



Key Characters

Cylindrical larva with pronounced segmentation and flat, glossy integument. No tubercles or prolegs.

Tolerance 3
Distribution CA, OR, WA