Ameletidae

Ameletus lineatus. 04/18/2010. Great Miami R., 39.87351, -84.116029, RE DeWalt.

Baetidae

Acentrella turbida. 09/13/2016. Great Miami R., 39.6744, -84.2616, E Moore.
Baetis flavistriga. 09/13/2016. Great Miami R., 39.6744, -84.2617, E Moore.
Baetis intercalaris. 1952. Miami R., VIII-27-1952, OEPA.
Iswaeon anoka. 08/12/2013. Stillwater R., 39.8986, -84.2933, E Moore.
Diphetor hageni. 08/06/2013. Trib. Stillwater R., 39.848173, -84.23807, E Moore.
Labiobaetis dardanus. 09/10/2010. Great Miami R., 39.6744, -84.2617, C McKnight.
Neocloeon sp. 08/22/2013. Stillwater R., 39.87405, -84.2915, E Moore.
Paracloeodes fleeki. 09/13/2016. Great Miami R., 39.6744, -84.2617, E Moore.
Paracloeodes minutus. 09/13/2016. Great Miami R., 39.6744, -83.2617, E Moore.
Plauditus dubius. 09/13/2016. Great Miami R., 39.6406, -84.2922, C McKnight.
Procloeon viridoculare. 09/09/2013. Dinner Fk., 39.71471, -81.59328, C McKnight.

Ephemeridae

Ephemera simulans. 1998. Bear Cr., Little Twin Cr., Stillwater R., Twin Cr., Ohio Biol. Survey.

Heptageniidae

Heptagenia flavescens. 08/28/1980. Montgomery Co., Great Miami R., 39.6438, -84.2311, Ohio EPA Biologist.
Stenonema exigiuum*. 09/13/2017. Great Miami R., 39.6406, -84.2922, C McKnight.
Stenonema femoratum. 09/13/2016. Great Miami R., 39.6744, -84.2617, E Moore.
Stenonema mexicanum integrum*. 09/13/2016. Great Miami R., 39.6406, -84.2922, C McKnight.
Stenonema mediopunctatum*. 09/13/2016. Great Miami R., 39.6406, -84.2922, C McKnight.
Stenonema pulchellu*. 09/13/2016. Great Miami R., 39.6406, -84.2922, C McKnight.
Stenonema terminatum*. 09/13/2016. Great Miami R., 39.6406, -84.2922, C McKnight.
Stenonema vicarium*. 09/07/2010. Wolf Cr., 39.77037, -84.2473, C McKnight.
Stenacron interpunctatum. 1998. Miami R., Purdue Entomol. Res. Ctr.
* These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 09/13/2016. Great Miami R. 39.6406, -84.2922, C McKnight.

Potomantidae

Anthopotamus myops. 1998. Stillwater R., OEPA.