Baetidae

Acerpenna pygmaea. 07/03/2017. Rickenbach Ditch, 40.8325, -83.471, MJ Bolton.
Baetis flavistriga. 09/14/2017. The Outlet, Blanchard Cr.., 41.0208, -83.4486, MJ Bolton.
Baetis intercalaris. 09/14/2017. The Outlet Blanchard R., 41.0208, -83.4486, MJ Bolton.
Labiobaetis frondalis. 09/14/2014. The Outlet (Blanchard R.), 41.0208, -83.4486, MJ Bolton.
Labiobaetis propinquus. 07/07/2011. Scioto R., 40.6372, -83.5733, J Freda.
Neocloeon sp. 09/14/2017. The Outlet, Blanchard R., 41.0208, -83.4486, MJ Bolton.
Procloeon viridoculare. 08/18/2011. Taylor Cr., 40.6378, -83.6172, J Freda.

Caenidae

Caenis amica. 1998. Scioto R., S. Wildcat Cr., N. Br. Margaret Cr., . Ohio Biol. Survey.
Sparbarus lacustris. 09/12/1995. Hardin Co., Scioto R., 40.6369, -83.5986; 40.6669, -83.6792, MJ Bolton.
Sparbarus maculatus. 1995. Scioto R. at RM 211.5 & RM 211.9, down stream from CR 130, Ohio EPA

Ephemeridae

Hexagena bilineata. 1998. Panther Cr., OEPA; 09/07/2010. No. 28 Ditch, 40.798315, -83.78477, C McKnight. Hexagenia limbata. 1998. Scioto R., OEPA; 07/03/2017. Rickenbach Ditch, 40.8325, -83.471, MJ Bolton.

Heptageniidae

Leucrocuta hebe. 1998. Panther Cr., OEPA.
Nixe inconspicua. 1995. Scioto R., OEPA.
Stenonema femoratum. 1998. Panther Cr., OEPA; 07/03/2017. Rickenbach Ditch, 40.8325, -83.471, MJ Bolton.
Stenonema mediopunctatum*. 07/07/2011. Scioto R., 40.6372, -83.5733, J Freda.
Stenonema pulchellum*. 07/07/2011. Scioto R., 40.6369, -83.5986, J Freda.
Stenonema terminatum. 08/18/2011. Taylor Cr., 40.6378, -83.6172, J Freda.
* These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 07/07/2011. Scioto R., 40.6369, -83.5986, J Freda.