Baetidae

Acerpenna pygmaea. 09/04/2013. Stillwater Cr., 40.165, -84.4416, C McKnight.
Baetis brunneicolor. 07/30/2013. Mud Cr., 40.0411, -84.6719, C McKnight.
Baetis flavistriga. 08/02/2017, E.Fk. Whitewater R., 39.9392, -84.7719, S Macy.
Baetis intercalaris. 08/06/2019. Welker Lateral, 39.9531. -84.7049, E Moore.
Diphetor hageni. 07/31/2018. Brinley Fork, 39.891716, -84.75044, S Macy.
Labiobaetis frondalis. 08/27/2013. Greenville Cr., 40.1003, -84.6181, C McKnight.
Labiobaetis propinquus. 08/02/2017. E.Fk. Whitewater R., 39.9392, -84.7719, S Macy.
Neocloeon sp. 07/03/2017. Middle Fk. E. Fk. Whitewater R., 39.986225, -84.80429, S Macy.
Paracloeodes fleeki. 09/03/2013. Swamp Cr., 40.27, -84.4672, C McKnight.
Procloeon viridoculare. 09/04/2013. Stillwater Cr., 40.165, -84.4416, C McKnight.
Plauditus dubius. 08/19/2013. Greenville Cr., 40.183, -84.4992, E Moore.

Ephemera

Hexagena bilineata. 07/30/2013. Mud Cr., 40.1017, -84.6394, C McKnight.

Heptageniidae

Stenonema exigiuum*. 08/27/2013. Greenville Cr., 40.1003, -84.6181, C McKnight.
Stenonema femoratum. 08/06/2019. Welker Lateral, 39.9531. -84.7049, E Moore.
Stenonema mediopunctatum*. 09/04/2013. Stillwater R., 40.1908, -84.5256, C McKnight.
Stenonema pulchellum*. 09/04/2013. Stillwater R., 40.1867, -84.4733, C McKnight.
Stenonema terminatum*. 09/04/2013. Stillwater R., 40.1867, -84.4733, C McKnight.
Stenonema vicarium*. 07/31/2018. Brinley Fork, 39.891716, -84.75044, S Macy.
* This species is listed as Maccaffertium by Mayfly Central

Isonychidae

Isonychia bicolor. 1998. Greenville Cr., Kraut Cr. Ohio EPA.

Leptohyphidae

Tricorythodes allectus. 08/02/2017. E.Fk. Whitewater R., 39.9392, -84.7719, S Macy.

Potamantidae

Anthopotamus myops. 1998. Greenville Cr., Ohio Biological Survey.