Stoneflies of the United States

Stoneflies of King County, Washington

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

Capniidae

Subfamily Capniinae

Slender Snowfly -- (Capnia gracilaria)
Northwest Snowfly -- (Capnia melia)
Pacific Snowfly -- (Capnia promota)
Agassiz Snowfly -- (Isocapnia agassizi)

Leuctridae

Subfamily Megaleuctrinae

Pacific Needlefly -- (Megaleuctra complicata)

Taeniopterygidae

Subfamily Brachypteryinae

Pale Willowfly -- (Taenionema kincaidi)
Common Willowfly -- (Taenionema pallidum)

Chloroperlidae

Subfamily Chloroperlinae

Western Sallfly -- (Alloperla severa)
Autumn Sallfly -- (Suwallia autumna)
Pale Sallfly -- (Suwallia dubia)
Boreal Sallfly -- (Sweltsa borealis)
Colorado Sallfly -- (Sweltsa coloradensis)
Exquisite Sallfly -- (Sweltsa exquisita)
Oregon Sallfly -- (Sweltsa oregonensis)

Perlidae

Subfamily Acroneuriinae

Western Stone -- (Calineuria californica)
Cascades Stone -- (Doroneuria baumanni)

Perlodidae

Subfamily Isoperlinae

Cascades Stripetail -- (Cascadoperla trictura)
Western Stripetail -- (Isoperla fulva)
Olympia Stripetail -- (Isoperla gravitans)

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