Stoneflies of the United States
Stoneflies of Cass County, North Dakota
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Taeniopterygidae
Subfamily Brachypteryinae
Mottled Willowfly -- (Strophopteryx fasciata)
Perlidae
Subfamily Acroneuriinae
Boreal Stone -- (Acroneuria lycorias) Widespread Stone -- (Perlesta decipiens)
Perlodidae
Subfamily Isoperlinae
Two-lined Stripetail -- (Isoperla bilineata) Plains Stripetail -- (Isoperla longiseta)
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