Baetidae

Acentrella turbida. 09/12/2017. Summit Co., Cuyahoga R., 41.1169, -81.525, C McKnight.
Acerpenna pygmaea. 09/06/2018. Furnace Run, 41.201516, -81.57335, C McKnight.
Baetis brunneicolor. 08/28/1991. Summit Co., Little Cuyahoga R., 41.054782, -81.40018, J DeShon.
Baetis flavistriga. 07/30/2015. Dickerson Run, 41-2184, -81.552, E Moore.
Baetis intercalaris. 07/30/2019. Dickerson Run, 41.2184, -81.552, E Moore.
Baetis tricaudatis. 1998. Little Cuyahoga R., OEPA; 07/29/2019. Wordward Cr., 41.1594, -81.5649, E Moore.
Diphetor hageni. 07/30/2019. Dickerson Run, 41.2184, -81.552, E Moore.
Iswaeon anoka. 08/20/1986. Little Cuyahoga R., 41.0558, -81.4231, J Freda; 09/04/2018. Cuyahoga R., 41.124467, -81.53138, E Moore.
Neocloeon sp. 09/06/2018. Furnace Run, 41.201516, -81.57335, C McKnight.
Paracloeodes minutus. 09/12/2017. Cuyahoga R., 41.1492, -81.4567, C McKnight.
Procloeon viridoculare. 07/26/2018. Yellow Cr., 41.1606, -81.649. MJ Bolton.

Heptageniidae

Stenonema exigiuum*. 09/20/2017. Cuyahoga R., 41.1392, -81.3922, C McKnight.
Stenonema femoratum. 07/30/2019. Dickerson Run, 41.2184, -81.552, E Moore.
Stenonema ithaca*. 1998. Summit Co. (Little Cuyahoga R.) OEPA.
Stenonema mexicanum integrum*. 08/14/2018. Tinkers Cr., 41.308144, n-81.43689, C McKnight.
Stenonema pulchellum*. 09/06/2018. Yellow Cr., 41.163527, -81.57627, C McKnight.
Stenonema terminatum*. 09/06/2018. Furnace Run, 41.201516, -81.57335, C McKnight.
Stenonema vicarium*. 07/30/2019. Dickerson Run, 41.2184, -81.552, E Moore.
* These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 09/06/2018. Furnace Run, 41.201516, -81.57335. C McKnight.