Ameletidae

Ameletus sp. 05/23/2001. Trib. Todd Fk., 39.3764, -84.0517, MJ Bolton.

Baetidae

Acerpenna pygmaea. 07/05/2011. Flat Fork, 39.4739, -84.0461, A Dripps.
Baetis flavistriga. 08/06/2018. Trib. Muddy Cr., 39.366116, -84.29266, C McKnight.
Baetis rusticans. 1972. Warren Co.; United States Nat'l. Museum.,
Baetis intercalaris. 1952. Warren Co. VI-27-1952; AR Gaufin; 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.
Neocloeon sp. 09/19/2011. Little Miami R., 39.5247, -84.0878, M Gray.
Paracloeodes fleeki. 09/19/2011. Little Miami R., 39.5164, -84.0933, A Dripps.
Paracloeodes minutus. 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.
Plauditus dubius. 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.
Procloeon viridoculare. 09/14/2016. Great Miami R., 395631, -84.305 C McKnight.

Heptageniidae

Nixe inconspicua. 1994. Todd Fork Little Miami R. at Roachester-Osceola Rd.), VI-6-1994 (adults).
Leucrocuta hebe. 1998. Little Miami R., U.S. Nat'l Museum.
Stenacron interpunctatum. 1998. Little Miami R., Purdue Entomol. Res. Ctr.
Stenonema femoratum. 1998. Todd Fork, Little Miami R., OEPA; 08/06/2018. Trib. Muddy Cr., 39.366116, -84.29266, C McKnight.
Stenonema exigiuum*. 09/20/2011. Little Miami R., 39.555, -84.0311, M Gray.
Stenonema mediopunctatum*. 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.
Stenonema modestum*. 1998. Little Miami R., Todd Fork Little Miami R., Ohio Biol. Survey.
Stenonema pulchellum*. 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.
Stenonema terminatum*. 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.
Stenonema vicarium*. 09/19/2011. Little Miami R., 39.5164, -84.0933, MJ Bolton.
* These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 09/14/2016. Great Miami R., 39.5631, -84.305, C McKnight.

Potamanthidae

Anthopotamus myops. 1975. Little Miami R., McCafferty (1975).