Ephemeroptera
      Baetidae
            Baetinae
                  Baetis brunneicolor McDunnough
                  Callibaetis americanus Banks
                  C. ferrugineus (Walsh)
                  C. skokianus Needham
                  Callibaetis sp.
                  Centroptilum sp.
                  Cloeon sp.
            Isonychiinae
                  Isonychia sicca Walsh
            Siphlonurinae
                  Siphlonurus alternatus (Say)
      Heptageniidae
                  Arthroplea bipunctata (McDunnough)
                  Heptagenia flavescens Wesh.
                  Heptagenia sp.
                  Stenonema canadensis Wen.
                  S. terminatus Wesh.
                  S. tripunctata Burks
                  Stenonema sp.
      Unidentified Heptageniidae
      Leptophlebiidae
                  Leptophlebia nebulosa (Walker)
      Ephemerellidae
                  Ephemerella temporalis McDunnough
                  E. versimilis McDunnough
                  Ephemerella sp.
      Caenidae
                  Caenis diminuta Walker
                  Caenis spp.
      Ephemeridae
                  Ephemera simulans Walker
                  Hexagenia bilineata (Say)
                  H. limbata (Serville)
                  Hexagenia spp.
                  Pentagenia vittigera (Walsh)
      Unidentified Ephemeridae
      Prosopistomatidae
                  Prosopistoma spp.
      Unidentified Ephemeroptera