Stoneflies of the United States
Stoneflies of Mason County, Illinois
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Perlidae
Subfamily Acroneuriinae
Constricted Stone -- (Acroneuria evoluta) Giant Stone -- (Attaneuria ruralis) Widespread Stone -- (Perlesta decipiens)
Perlodidae
Subfamily Isoperlinae
Two-lined Stripetail -- (Isoperla bilineata)
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