Stoneflies of the United States
Stoneflies of Somerset County, Maine
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Leuctridae
Subfamily Leuctrinae
Northeastern Needlefly -- (Leuctra maria) Brook Needlefly -- (Leuctra sibleyi)
Nemouridae
Subfamily Amphinemurinae
Little Black Forestfly -- (Amphinemura nigritta) Spiked Forestfly -- (Amphinemura wui) Subfamily Nemourinae
Truncate Forestfly -- (Ostrocerca truncata) Spotted Forestfly -- (Paranemoura perfecta) Longhorn Forestfly -- (Prostoia similis) Valley Forestfly -- (Soyedina vallicularia)
Taeniopterygidae
Subfamily Brachypteryinae
Atlantic Willowfly -- (Taenionema atlanticum)
Chloroperlidae
Subfamily Paraperlinae
Gaspe Sallfly -- (Utaperla gaspesiana)
Peltoperlidae
Subfamily Peltoperlinae
Common Roachfly -- (Tallaperla maria)
Perlidae
Subfamily Acroneuriinae
Common Stone -- (Acroneuria abnormis)
Perlodidae
Subfamily Perlodinae
Great Lakes Springfly -- (Cultus decisus decisus)
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