Baetidae

Acerpenna pygmaea. 08/25-26/2009. Muskellunge Cr., 41.356952, -83.15962; Br. Muddy Cr., 41.257593, -83.36104, C McKnight.
Baetis flavistriga. 09/01/2009. Sandusky R., 41.346853, -83.11182, C McKnight.
Baetis intalaris. 09/01/2009. Sandusky R., 41.346853, -83.11182, C McKnight.
Baetis tricaudatus. 09/08/1994. Portage R., 41.4492, -83.3825, E Moore.
Callibaetis sp. 09/01/2009. Muddy Cr., 41.400315, -83.15782, C McKnight.
Labiobaetis fondalis. Gries Ditch, 41.363152, -83.25742, C McKnight.
Neocloeon sp. 09/23/2008. Sugal Cr., 41.3959, -83.3582, C McKnight.
Plauditus dubius or P. virilis. 09/01/2009. Sandusky R. 41.346853, -83.11182, C McKnight.
Procloeon viridocular. 08/26/2009. Muddy Cr., 41.290353, -83.31072, C McKnight.

Caenidae

Sparbarus maculatus. 1982. Muddy Cr. at CR 28, Ohio EPA

Ephemeridae

Ephemera simulans. 1998.Sandusky R., Ohio Biol. Survey.

Heptageniidae

Nixe inconspicua. 1996. Wolf Cr. at TR 27 bridge, VII-6-1996 (adults), Ohio Biol. Survey.
Leucrocuta walshi. 1998. E. Br. Wolf Cr., Wolf Cr., Ohio Biol. Survey.
Stenonema femoratum. 1998. Sandusky R., Wolf Cr., OEPA.

Leptohyphidae

Tricorythodes allectus. 1998. Sandusky R., Randolph & McCafferty (1998)

Potamanthidae

Anthopotamus myops. 1998.E. Branch Wolf Cr; Sandusky R., OEPA