Ameletidae

Ameletus lineatus. 1985. Jackson Co., Hall (1985).
Ameletus ludens. 1985. Jackson Co., Hall (1985).

Baetidae

Acentrella turbida. 08/17/2010. Holland Fk., 38.88493, -82.74222, MJ Bolton.
Anafroptilum minor group sp. 1. 08/06/2016. Little Raccoon Cr., 39.0106, -82.45522, M Gray.
Baetis flavistriga. 07/13/2010. Bucklick Cr., 38.90171, -82.75178, MJ Bolton.
Baetis intercalaris. 08/31/2016. Little Raccoon Cr., 39.1009, -82.4849, M Gray.
Neocloeon sp. 09/09/2016. Meadow Run, 39.1156, -82.5156, M Gray.
Labiobaetis propinquus. 09/07/2016. Little Raccoon Cr., 39.0094, -82.445, M Gray.
Procloeon viridoculare. 09/07/2016. Little Racoon Cr., 39.0094, -82.445, M Gray.

Caenidae

Caenis amica. 1998. Pigeon Cr., Ohio Biol. Survey.

Ephemerellidae

Eurylophella temporalis. 1985. Jackson Co. Hall (1985).

Ephemeridae

Ephemera varia. 07/13/2010. Bucklick Cr., 38.90171, -82.75178, MJ Bolton.
Hexagena bilineata. 07/21/2016. Trib. Symmes Cr., 38.9719, -82.5403, C McKnight.

Heptageniidae

Stenonema exigiuum*. 09/07/2016. Little Raccoon Cr., 39.0094, -82.445, M Gray.
Stenonema femoratum. 09/06/2016. Cherry Fork, 38.896088, -82.48693, C McKnight.
Stenonema pulchellum*. 09/07/2016. Little Raccoon Cr., 39.0094, -82.445, M Gray.
Stenonema vicarium*. 1985. Jackson Co. Hall (1985). 09/14/2011. Salt Lick Cr., 39.0981, -82.665, C McKnight.
*These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 09/07/2016. Little Raccoon Cr., 39.0094, -82.445, M Gray.

Leptophlebiidae

Choroterpes basalis. 08/19/2010. Little Scioto R., 38.598673, -82.78769, MJ Bolton.