Baetidae

Acerpenna pygmaea. 08/29/2011. Deer Cr., 39.659761, -83.26301, C McKnight. Baetis flavistriga. 07/20/2011. Duffs Fork, 39.656461, -83.27162, C McKnight. Baetis intercalaris. 08/29/2011. Deer Cr., 39.659761, -83.26301, C McKnight. Labiobaetis frondalis. 07/20/2011. Duffs Fork, 39.656461, -83.27162. C McKnight. Neocloeon sp. 07/20/2011. Duffs Fork, 39.656461, -83.27162, C McKnight. Plauditus virilis.
07/20/2011. Duffs Fk., 39.656461, -83.271615, C McKnight.

Ephemeridae

Hexagenia atrocaudata. 1998. Paint Cr., Ohio EPA.

Heptageniidae

Stenonema exigiuum*. 08/29/2011. Deer Cr., 39.659761, -83.26301, C McKnight.
Stenonema femoratum. 07/20/2011. Duffs Fork, 39.656461, -83.27162, C McKnight.
Stenonema pulchellum*. 08/29/2011. Deer Cr., 39.659761, -83.26301, C McKnight.
Stenonema terminatum*. 08/29/2011. Deer Cr., 39.659761, -83.26301, C McKnight.
*This species is listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 08/29/2011. Deer Cr., 39.659761, -83.26301, C McKnight.

Polymitarcyidae

Ephoron album. 1998. Paint Cr., Ohio EPA.