California Department of Fish and Wildlife
Aquatic Biological Assement

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Dixidae Level 1 Level 2

Dixidae

 

Key Characters

"Dixid midges." Postspiracular lobe instead of a posterior respiratory siphon. Prolegs on 1st or 1st & 2nd abdominal segments, head upturned.
Tolerance 2
Distribution CA, OR, WA, AZ