Stoneflies of the United States

Stoneflies of Cowlitz County, Washington

Species denoted with an asterisk (*) are unconfirmed or dubious records.

Capniidae

Subfamily Capniinae

Northwest Snowfly -- (Capnia melia)
Autumn Snowfly -- (Mesocapnia autumna)
Wine Snowfly -- (Mesocapnia oenone)
Spined Snowfly -- (Mesocapnia projecta)

Leuctridae

Subfamily Megaleuctrinae

Pacific Needlefly -- (Megaleuctra complicata)

Taeniopterygidae

Subfamily Brachypteryinae

Common Willowfly -- (Taenionema pallidum)

Chloroperlidae

Subfamily Chloroperlinae

Western Sallfly -- (Alloperla severa)

Perlodidae

Subfamily Isoperlinae

Mormon Stripetail -- (Isoperla mormona)

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