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Capniidae

Subfamily Capniinae

• Colorado Snowfly -- (Capnia coloradensis)
• Widespread Snowfly -- (Capnia confusa)
• Slender Snowfly -- (Capnia gracilaria)
• Gunnison Snowfly -- (Utacapnia poda)

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Leuctridae

Subfamily Leuctrinae

• Appalachian Needlefly -- (Paraleuctra sara)
• Summit Needlefly -- (Paraleuctra vershina)

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Nemouridae

Subfamily Amphinemurinae

• Colorado Forestfly -- (Malenka coloradensis)

Subfamily Nemourinae

• Delicate Forestfly -- (Podmosta delicatula)
• Banded Forestfly -- (Prostoia besametsa)
• Frigid Forestfly -- (Zapada frigida)
• Intermountain Forestfly -- (Zapada haysi)
• Oregon Forestfly -- (Zapada oregonensis)

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Taeniopterygidae

Subfamily Brachypteryinae

• Western Willowfly -- (Doddsia occidentalis)

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Chloroperlidae

Subfamily Chloroperlinae

• Yellow Sallfly -- (Suwallia pallidula)
• Boreal Sallfly -- (Sweltsa borealis)
• Colorado Sallfly -- (Sweltsa coloradensis)

Subfamily Paraperlinae

• Striped Sallfly -- (Triznaka signata)
• Hyporheic Sallfly -- (Paraperla frontalis)

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Perlidae

Subfamily Acroneuriinae

• Golden Stone -- (Hesperoperla pacifica)

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Perlodidae

Subfamily Isoperlinae

• Western Stripetail -- (Isoperla fulva)
• Fivespot Stripetail -- (Isoperla quinquepunctata)

Subfamily Perlodinae

• Larimide Springfly -- (Megarcys signata)
• American Springfly -- (Skwala americana)
• Summer Springfly -- (Cultus aestivalis)
• Sickle Springfly -- (Kogotus modestus)
• Nearctic Springfly -- (Diura knowltoni)
• Blackfoot Springfly -- (Isogenoides colubrinus)
• Elongate Springfly -- (Isogenoides elongatus)

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Pteronarcyidae

Subfamily Pteronarcyinae

• Least Salmonfly -- (Pteronarcella badia)
• Giant Salmonfly -- (Pteronarcys californica)

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