Baetidae

Acerpenna pygmaea. 08/06/2014. Big Darby Cr., 40.2694, -83.5517, C McKnight.
Baetis flavistriga. 07/06/2016. Trib. Black R., 41.412851, -82.13741, M Gray.
Baetis intercalaris. 09/10/2015. Black R., 41.379316, -82.10772, MJ Bolton.
Neocloeon sp. 08/19/2015. Brownhelm Cr., 41.419654, -82.28295, S Macy.
Procloeon viridoculare. 09/10/2015. Black R.., 41.379316, -82.107717, MJ Bolton.

Ephemeridae

Hexagenia limbata. 1941. Loraine Co. (L. Erie), Spieth (1941); 08/21/2012. E.Br. Black R., 41.23435, -82.0816, A Dripps.

Heptageniidae

Stenonema exigiuum*. 09/04/2014. W.Br. Rocky R., 41.331, -81.9182, A Dripps.
Stenonema femoratum. 09/10/2015. Black R., 41.379316, -82.10772, MJ Bolton.
Stenonema pulchellum*. 09/10/2015. Black R., 41.379316, -82.10772, MJ Bolton.
Stenonema terminatum*. 09/10/2015. Black R., 41.379316, -82.10772, MJ Bolton.
Stenonema vicarium*. 09/08/2014. Little Darby Cr., 40.282375, -83.59415, E Moore.
* These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 09/04/2014. W.Br. Rocky R., 41.331, -81.9182, A Dripps.