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

Sciomyzidae Level 1 Level 2



Key Characters

Sclerotized ventral arch below base of mouth hooks, usually toothed. Body often covered in short, fine hairs. Posterior segment tapered, tubercles surrounding spiracles on apex.

Tolerance 6
Distribution CA, OR, WA, NV, AZ, Baja