Stoneflies of the United States
Stoneflies of Fergus County, Montana
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Chloroperlidae
Subfamily Chloroperlinae
Western Sallfly -- (Alloperla severa) Subfamily Paraperlinae
Striped Sallfly -- (Triznaka signata)
Perlodidae
Subfamily Isoperlinae
Western Stripetail -- (Isoperla fulva) Plains Stripetail -- (Isoperla longiseta) Mormon Stripetail -- (Isoperla mormona) Fivespot Stripetail -- (Isoperla quinquepunctata) Subfamily Perlodinae
Toston Springfly -- (Cultus tostonus)
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