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

Sialidae Level 1 Level 2



Key Characters

7 pairs of 4-to-5 segmented lateral filaments on abdominal segments 1-7. Single long caudal filament. 25mm or smaller. Sialis only genera in CA

Tolerance 4
Distribution CA, OR, WA, NV