Stoneflies of the United States
Stoneflies of Cascade County, Montana
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Capniidae
Subfamily Capniinae
Widespread Snowfly -- (Capnia confusa) Dwarf Snowfly -- (Capnia nana) Thin Snowfly -- (Capnia petila) Six-knobbed Snowfly -- (Capnia sextuberculata) Belly Snowfly -- (Capnia vernalis)
Leuctridae
Subfamily Leuctrinae
Summit Needlefly -- (Paraleuctra vershina)
Nemouridae
Subfamily Amphinemurinae
Twisted Forestfly -- (Malenka flexura) Subfamily Nemourinae
Least Forestfly -- (Podmosta decepta) Banded Forestfly -- (Prostoia besametsa) Common Forestfly -- (Zapada cinctipes) Columbian Forestfly -- (Zapada columbiana) Intermountain Forestfly -- (Zapada haysi)
Taeniopterygidae
Subfamily Brachypteryinae
Common Willowfly -- (Taenionema pallidum)
Chloroperlidae
Subfamily Chloroperlinae
Beartooth Sallfly -- (Alloperla medvedai) Sawtooth Sallfly -- (Alloperla serrata) Western Sallfly -- (Alloperla severa) Yellow Sallfly -- (Suwallia pallidula) Alberta Sallfly -- (Sweltsa albertensis) Boreal Sallfly -- (Sweltsa borealis) Colorado Sallfly -- (Sweltsa coloradensis) Mountain Sallfly -- (Sweltsa fidelis) Canadian Sallfly -- (Sweltsa revelstoka) Subfamily Paraperlinae
Striped Sallfly -- (Triznaka signata) Longhead Sallfly -- (Kathroperla perdita)
Peltoperlidae
Subfamily Peltoperlinae
Least Roachfly -- (Yoraperla brevis)
Perlidae
Subfamily Perlinae
Shortwing Stone -- (Claassenia sabulosa)
Perlodidae
Subfamily Isoperlinae
Western Stripetail -- (Isoperla fulva) Mormon Stripetail -- (Isoperla mormona) Fivespot Stripetail -- (Isoperla quinquepunctata) Subfamily Perlodinae
Truncate Springfly -- (Megarcys subtruncata) Glacier Springfly -- (Megarcys watertoni) American Springfly -- (Skwala americana) Toston Springfly -- (Cultus tostonus) Elongate Springfly -- (Isogenoides elongatus)
Pteronarcyidae
Subfamily Pteronarcyinae
Least Salmonfly -- (Pteronarcella badia) American Salmonfly -- (Pteronarcys dorsata)
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