Stoneflies of the United States
Stoneflies of Sweet Grass County, Montana
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Capniidae
Subfamily Capniinae
Gunnison Snowfly -- (Utacapnia poda)
Leuctridae
Subfamily Leuctrinae
Western Needlefly -- (Paraleuctra occidentalis) Summit Needlefly -- (Paraleuctra vershina)
Nemouridae
Subfamily Amphinemurinae
Twisted Forestfly -- (Malenka flexura) Subfamily Nemourinae
Banded Forestfly -- (Prostoia besametsa) Oregon Forestfly -- (Zapada oregonensis)
Taeniopterygidae
Subfamily Brachypteryinae
Common Willowfly -- (Taenionema pallidum)
Chloroperlidae
Subfamily Chloroperlinae
Beartooth Sallfly -- (Alloperla medvedai) Sawtooth Sallfly -- (Alloperla serrata) Western Sallfly -- (Alloperla severa) Margined Sallfly -- (Plumiperla diversa) Autumn Sallfly -- (Suwallia autumna) 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) Hyporheic Sallfly -- (Paraperla frontalis)
Perlidae
Subfamily Acroneuriinae
Golden Stone -- (Hesperoperla pacifica) Subfamily Perlinae
Shortwing Stone -- (Claassenia sabulosa)
Perlodidae
Subfamily Isoperlinae
Western Stripetail -- (Isoperla fulva) Mormon Stripetail -- (Isoperla mormona) Fivespot Stripetail -- (Isoperla quinquepunctata) Colorado Stripetail -- (Isoperla sobria) Subfamily Perlodinae
Truncate Springfly -- (Megarcys subtruncata) Glacier Springfly -- (Megarcys watertoni) Toston Springfly -- (Cultus tostonus)
Pteronarcyidae
Subfamily Pteronarcyinae
Least Salmonfly -- (Pteronarcella badia) Giant Salmonfly -- (Pteronarcys californica)
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