California Department of Fish and Wildlife
Aquatic Biological Assement

California Digital Reference Collection Home | Family Level | Level 1 Taxonomy | Level 2 Taxonomy

Jump to:

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




Key Characters 130 species in U.S. 5 - 20 mm in length. Strongly dorsoventrally flattened. Eyes dorsal, unstalked, and compound.
Tolerance 8
Distribution CA, OR, WA, NV, AZ, Baja