California Department of Fish and Wildlife
Aquatic Biological Assement

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Capniidae Level 1 Level 2

Capniidae

 

Key Characters

Glossae and paraglossae subequal. Abdominal segments 1-9 divided by a membranous fold, lateral margins of abdomen as viewed from above appear zigzagged. Hind wing pads parallel to the body. Cylindrical body form but more swollen (like a bowling pin).
Tolerance 1
Distribution CA, OR, WA, NV, AZ, Baja