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

Phryganeidae Level 1 Level 2



Key Characters

Mesonotum largely unsclerotized. Abdominal segment IX with dorsal, sclerotized plate. Prosternal horn present. Slender, cylindrical cases. Larvae attain large sizes (up to 4 cm). Principally lentic habitats, a few occurring in streams. Shredders of coarse organic material, a few are predators.

Tolerance generally 4-5, as low as 1 in Yphria sp.
Distribution CA, OR, WA