Stoneflies of the United States
Stoneflies of Stephenson County, Illinois
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Capniidae
Subfamily Capniinae
Shortwing Snowfly -- (Allocapnia vivipara)
Perlidae
Subfamily Acroneuriinae
Widespread Stone -- (Perlesta decipiens)
Perlodidae
Subfamily Isoperlinae
Two-lined Stripetail -- (Isoperla bilineata)
Pteronarcyidae
Subfamily Pteronarcyinae
Midwestern Salmonfly -- (Pteronarcys pictetii)
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