California Department of Fish and Wildlife
Aquatic Biological Assement

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Ceratopogonidae Level 1 Level 2



Key Characters

"Biting midges", a.k.a. "no-see-ums." Shiny, needle-shaped body w/ retractile posterior gills. Snake-like swimming motion. 2 genera have proles, but separated from midges by dorsal and/or lateral projections, hairs.

Tolerance 6
Distribution CA, OR, WA