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

Pyralidae Level 1 Level 2



Key Characters

Thorax and abdomen with filamentous gills. Segmented thoracic legs. Larvae of various genera can have different distinguishing characters.

Tolerance 5
Distribution CA, OR, WA, NV, AZ, Baja