Baetidae

Acerpenna pygmaea. 09/01/2016. Olentangy R., 40.257383, -83.06203, MJ Bolton.
Baetis flavistriga. 07/11/2019. Trib. Alum Cr., 40.167692, -82.96025, E Moore.
Baetis intercalaris. 09/12/2018. Barthomew Run, 40.151163, -83.05351, C McKnight.
Diphetor hageni. 09/06/2018. Slate Run, 40.311577, -82.94475, C McKnight.
Labiobaetis frondalis. 07/11/2014. Prairie Run, 40.32203, -83.16781, C McKnight.
Neocloeon sp. 07/06/2018. Slate Run, 40.311577, -82.94475, C McKnight.
Plauditus dubius. 09/01/2016. Olentangy R., 40.257383, -83.062031, MJ Bolton.
Procloeon viridoculare. 09/01/2016. Olentangy R., 40.257383, -83.06203, MJ Bolton.

Caenidae

Caenis amica. 1998. Alum Cr., Ohio Biol. Survey.
Caenis anceps. 1996. Alum Cr., at Galena Rd bridge), VII-3-1996. MR Ballard (adults).
Caenis latipennis, 1998. Alum Cr.,, Bokes Cr., Dun Run, Fulton Cr., Ohio Biol. Survey. Sparbarus lacustris. 09/01/2011. Olentangy R., 40.324253, -83.07077l, MJ Bolton.

Ephemerellidae

Teloganopsis deficiens. 09/01/2011. Olentangy R., 40.3158, -83.0664, MJ Bolton.

Heptageniidae

Leucrocuta walshi. 1998. Alum Cr., Bokes Cr., Worf Cr., Ohio Biol. Survey.
Maccaffertium modestum. 1998. Fulton Cr., Ohio Biol. Survey.
Stenacron interpunctatum. 1998. Alum Cr., Bokes Cr, Dun Run, Fulton Cr., Sugar Cr., Ohio Biol. Survey.
Stenonema femoratum. 1998. Big Walnut Cr., E. Br. Little Walnut Cr., E. Fork Rattlesnake Cr., Little Walnut Cr., Sugar Cr., OEPA. 09/12/2018. Barthomew Run, 40.151163, -83.05351, C McKnight.
Stenonema mexicanum integrum*. 08/31/2016. Olentangy R., 40.2985, -83.0618, MJ Bolton.
Stenonema modestum*. 1998. Fulton Cr., Ohio Biol. Survey.
Stenonema pulchellum*. 09/01/2016. Olentangy R., 40.257383, -83.06203, MJ Bolton.
Stenonema terminatum*. 08/31/2016. Olentangy R., 40.324253, -83.07077, MJ Bolton.
Stenacron interpunctatum. 1998. Alum Cr., Bokes Cr, Dun Run, Fulton Cr., Sugar Cr., Randolph and McCafferty (1998).

* This species is listed as Maccaffertium by Mayfly Central.

Isonychiidae

Isonychia rufa. 1998. Bokes Cr, Fulton Cr., Ohio Biol. Survey.

Leptohyphidae

Tricorythodes allectus. 09/01/2016. Olentangy R., 40.257383, -83.06203, MJ Bolton.

Potamanthidae

Anthopotamus neglectus. 2019. Olentangy R., DH Dean.
Anthopotamus myops. 1998. Fulton Cr., Olentangy R., OEPA.