California Department of Fish and Wildlife
Aquatic Biological Assement

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Leptophlebiidae Level 1 Level 2

Leptophlebiidae

Key Characters

Abdominal gills on segments 2-7 either forked, in tufts with fringed margins, or with double lamellae ending in fringes or points;  apicolateral margin of maxillae with a dense brush of hairs.
Tolerance 2-4
Distribution CA, OR, WA, NV, AZ, Baja