Ameletidae (ameletus mayflies)
Chironomidae (midges)
Corydalidae (dobsonflies/fishflies)
Dryopidae (long-toed beetles)
Elmidae (riffle beetles)
Ephemerellidae (spiny crawler mayflies)
Ephemerellidae G. Ephemerella
Glossosomatidae (saddlecase caddisflies)
Heptageniidae (flatheaded mayflies)
Heptageniidae G. Epeorus
Heptageniidae G. Stenonema/ Mccaffertium
Hydrophilidae (water scavenger beetles)
Hydropsychidae (common netspinner caddisflies)
Leptophlebiidae (pronggilled mayflies)
Leptophlebiidae G. Paraleptophlebia Leuctridae (rolledwing stoneflies)
Limnephilidae (northern caddisflies)
Nemouridae (Nemourid broadback stoneflies)
Perlidae (common stoneflies)
Perlodidae (perlodid stoneflies)
Philopotamidae (fingernet caddisflies)
Physidae (pouch snails)
Rhyacophilidae (free-living caddisflies)
Tipulidae (crane flies)
Tipulidae G. Antocha
Tipulidae G. Hexatoma
Tipulidae G. Tipula
Uenoidae (Uenoid casemaker caddisflies)
Unknown Anisoptera (dragonflies)

The island and lower riffle.
(photo by Barbara Knapp)





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