Baetidae

Baetis flavistriga. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, C McKnight.
Baetis intercalaris. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.
Diphetor hageni. 09/11/2017. Sugar Cr., 40.7136, -81.6361, C McKnight.
Labiobaetis frondalis. 08/27/2019. Tuscarawas R., 40.7656, -81.5333, E Moore.
Labiobaetis propinquus. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.
Neocloeon sp. 08/08/2017. Fox Run, 40.868, -81.611, C McKnight.
Procloeon viridoculare. 08/28/2019, Tuscarawas R., 40.8069, -81.5272, E Moore.

Ephemeridae

Ephemera simulans. 07/16/2003. Pigeon Run, 40.764, -81.581, J Freda.

Heptageniidae

Stenonema exigiuum*. 09/13/2017. Sugar Cr., 40.6469, -81.5697, C McKnight.
Stenonema femoratum. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.
Stenonema mexicanum integrum*. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.
Stenonema pulchellum*. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.
Stenonema terminatum*. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.
Stenonema vicarium*. 08/24/2017. Pigeon Run, 40.764, -81.5581, E Moore.
*These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 08/28/2019. Tuscarawas R., 40.8069, -81.5272, E Moore.