Baetidae

Acerpenna pygmaea. 09/25/2014. Big Darby Cr., 40/1353, -83.32, MJ Bolton.
Baetis flavistriga. 09/08/2014. Spain Cr., 40.228799, -83.52309, E Moore.
Baetis intercalaris. 08/13/2015. Town Run, 40.2292, -83.365, MJ Bolton.
Diphetor hageni. 08/20/2014. Treacle Cr., 40.123859, -83.49402, C McKnight.
Labiobaetis frondalis. 08/25/2014. Buck Run, 40.159921, -83.39519, C McKnight.
Labiobaetis propinquus. 08/18/2014. Little Darby Cr., 40.1158, -83.425, E Moore.
Neocloeon sp. 09/08/2014. Spain Cr., 40.228799, -83.52309, E Moore.
Procloeon viridoculare. 09/18/2013. Mill Cr., 40.215508, -83.261239, C McKnight.

Caenidae

Caenis latipennis. 1998. Mill Cr., Ohio Biol. Survey

Ephemeridae

Hexagenia atrocaudata. 08/19/2009. Fulton Cr., 40.3936, -83.2604, M Gray.
Hexagenia bilineata. 1998. Bokes Cr., Ohio EPA; 08/20/2014. Flat Branch, 40.2778, -83.5406, C McKnight.
Hexagenia limbata. 08/20/2014. Flat Branch, 40.2778, -83.5406, C McKnight.

Heptageniidae

Leucrocuta walshi. 1998. Mill Cr., Ohio Biol. Survey.
Stenacron interpunctatum. 1998. Mill Cr., Ohio Biol. Survey.
Stenonema femoratum. 08/13/2015. Town Run, 40.2292, -83.365, MJ Bolton.
Stenonema mediopunctatum*.
09/25/2014. Big Darby Cr., 40.1353, -83.32, MJ Bolton.
Stenonema pulchellum*. 08/25/2014. Big Darby Cr., 40.124, -83.2725, C McKnight.
Stenonema terminatum*. 08/18/2014. Little Darby Cr., 40.1158, -83.425, E Moore.
Stenonema vicarium*. 08/13/2014. Big Darby Cr., 40.2497, -83.5331, E Moore.
* These species are listed as Maccaffertium by Mayfly Central.

Isonychidae

Isonychia rufa. 1998. Mill Cr.); Ohio Biol. Survey.

Leptohyphidae

Tricorythodes allectus. 09/25/2014. Big Darby Cr., 40.1353, -83.32, MJ Bolton.