Baetidae

Baetis flavistriga. 07/02/2015. Turtle Cr., 40.33, -84.2534, A Dripps.
Baetis intercalaris. 07/02/2015. Turtle Cr., 40.33, -84.2534, A Dripps.

Caenidae

Caenis latipennis. 1998. Leatherwood Cr., Loramie Cr., Ninemile Cr., OEPA.

Ephemeridae

Hexagenia atrocaudata. 08/11/2009. Great Miami R., 40.2241, -84.2048, C McKnight.

Heptageniidae

Leucrocuta walshi. 1998. Rush Cr.), Ohio Biol. Survey.
Stenacron interpunctatum. 1998. Brush Cr., Leatherwood Cr., Mill Branch., Purdue Entomol. Res. Ctr.
Stenonema femoratum. Miami Rush Cr., Ninemile Cr., OEPA; 07/02/2015. Turtle Cr., 40.33, -84.2534, A Dripps.
Stenonema pulchellum*. 1985. Great Miami R., Hall (1985).
* This species is listed as Maccaffertium by Mayfly Central.

Potamanthidae

Anthopotamus myops. 1975. Miami R., McCafferty (1975).