Baetidae

Acerpenna pygmaea. 08/11/2011. N.Fk. Massies Cr., 39.781669, -83.7278, A Dripps
Baetis flavistriga. 08/22/2011. Little Miami R., 39.8056, -83.7811, J Freda
Baetis intercalaris. 08/22/2011. Little Miami R., 39.8325, -83.6944, A Dripps.
Baetis tricaudatis. 08/10/2011. Trib. Little Miami R.,39.8317, -83.7342, A Dripps.
Iswaeon anoka. 08/22/2011. Little Miami R., 39.8325, -83.6944, A Dripps.
Labiobaetis frondalis. 08/22/2011. Little Miami R., 39.8325, -83.6944, A Dripps.
Neocloeon sp. 08/10/2011. Little Miami R., 39.805, -83.6472, A Dripps.

Caenidae

Caenis latipennis. 1998. North Fk. Little Miami R., Ohio Biol. Survey.

Ephemeridae

Hexagenia atrocaudata. 1998. Mud Run, Ohio EPA.
Hexagenia limbata. 08/22/2011. N.Fk. Little Miami R., 39.8081, -83.79, C McKnight.

Heptageniidae

Stenacron interpunctatum. 1998. Beaver Cr, N. Fork Little Miami R., Ohio Biol. Survey.
Stenonema exigiuum* 08/22/2011. Little Miami R., 39.8325, -83.6944, A Dripps.
Stenonema femoratum* 08/22/2011. Little Miami R., 39.8325, -83.6944, A Dripps.
Stenonema modestum*1998. Trib. Mud Run. Ohio EPA.
Stenonema pulchellum* 08/22/2011. Little Miami R., 39.8325, -83.6944, A Dripps.
Stenonema terminatum* 08/22/2011. N. Fk. Little Miami R., 39.8081, -83.79, C McKnight.
Stenacron interpunctatum* 1998. Randolph and McCafferty (1998)

*listed as Maccaffertium sp. by Mayfly Central

Leptohyphidae

Tricorythodes allectus. 199*8. Mad R., Ohio Biol. Survey.

Polymitarcyidae

Ephoron album. 1962; Clark Co., Brill (1962).