Baetidae

Acentrella turbida. 2003. Mad R. at CR5, RM 57.2, RM 53.20 (CR 173), OEPA (2005); 09/08/2015. Little Darby Cr., 40.282375, -83.56415, E Moore.
Acerpenna macdunnoughi. 2003. Mad R. at RM 52,0, SR 245, OEPA (2005).
Acerpenna pygmaea. 08/06/2014. Big Darby Cr., 40.2694, -83.5517, C McKnight.
Baetis tricaudatus. 2003. Mad R. at CR5, RM 57.2, RM 53.20 (CR 173), at SR 245, RM 52.0, RM 51.1, OEPA (2005); 09/08/2014. Little Darby Cr., 40.282375, -83.59415, E Moore.
Baetis flavistriga.2003. Mad R. at CR5, RM 57.2, RM 53.20 (CR 173), at RM 52.0 (SR 245), RM 51.1, OEPA (2005); 09/08/2014. Little Darby Cr., 40.282375, -83.59415, E Moore.
Baetis intercalaris. 2003. Mad R. at CR5, RM 57.2, RM 52.0 (SR 245), RM 51.1, OEPA (2005); 09/08/2014. Little Darby Cr., 40.282375, -83.59415, E Moore.
Centroptilum sp. (w/ hindwing pads). 2003. Mad R. at RM 52.0 (SR 245), OEPA (2005).
Diphetor hageni. 2003. Mad R. at CR5, RM 57.2, RM 52.0 (SR 245), OEPA (2005); 09/08/2014. Little Darby Cr., 40.282375, 83.59415, E Moore.
Neocloeon sp.
09/08/2014. Little Darby Cr., 40.282375, -83.59415, E Moore.
Plauditus dubius or P. virilis. 2003. Mad R. at RM 51.1, OEPA (2005).
Plauditus punctiventris. 2003. Mad R. at CR5, RM 57.2, RM 52.0 (SR 245), OEPA (2005).
Pseudocloeon frondale. 2003. Mad R. at CR5, RM 57.2, RM 52.0 (SR 245), OEPA (2005).

Baetiscidae

Baetisca lacustris. 1981. Miami R., Pescador & Berner (1981)

Caenidae

Caenis sp. 2003. Mad R. at RM 57.2, RM 51.1, OEPA (2005).

Ephemerelladae

Dannella simplex. 06/23/1986. Mad R., 40.35, -83.6747, MJ Bolton; 06/24/1986. Macochee Cr., 40.2589, -83.7045, J Freda.
Ephemerella sp. 2003. Mad R. at RM 57.2, RM 52.0 (SR 245), OEPA (2005).
Ephemerella needhami. 05/03/2009. Mackochee Cr., 40.2521, -83.7275, DH Dean.

Ephemeridae

Ephemera sp. 2003. Mad R. at RM 51.1, OEPA (2005).

Heptageniidae

Leucrocuta sp. 2005. Mad R. at CR5, RM 57,2, RM 52.0 (SR 245), OEPA (2005).
Nixe sp. 2003. Mad R. at RM 57.2, OEPA (2005).
Stenonema femoratum. 1998. Muchinippi Cr., Otter Cr., trib. Mad R., Mad R. at RM 52.0 (SR 245), OEPA; 09/132017. near Mad R., 40.334202, -83.679531, (adult), DH Dean. Stenonema pulchellum*. 1974. Mad R., Lewis (1974). 2003, Mad R. RM 51.1, OEPA (2005); 08/07/2014. Big Darby Cr., 40.3156, -83.5919, E Moore.
Stenonema vicarium*. 1974. Lewis (1974)., 2003. Mad R. at CR5, RM 57.2, RM 51.1, OEPA (2005);
09/08/2014. Little Darby Cr., 40.282375, -83.59415, E Moore.
Stenacron interpunctatum. 1998. Bakengehalas Cr., Muchinippi Cr., trib. Mad R., Ohio Biol. Survey.
Stenacron sp. 2003. Mad R. at RM 57.2, RM 51.1, OEPA (2005).
*These species are listed as Maccaffertium by Mayfly Central.

Isonychiidae

Isonychia bicolor. 1998. Muchinippi Cr., Ohio Biol. Survey.
Isonychia sp. 2005. Mad R. at CR5, RM 57.2, OEPA (2005).

Leptohyphidae

Tricorythodes allectus. 2005. Mad R. at RM 57.2, RM 52.0 (SR 245), RM 51.1, OEPA (2005).

Leptophlebidae

Habrophlebiodes americana. 08/05/2014. Big Darby Cr., 40.2983, -83.57, E Moore.
Leptophlebia sp or Paraleptophlebia sp. 2005. Mad R. at CR5., OEPA (2005).

Pseudironidae

Pseudiron centralis. 1994; Logan Co.; Trib. to Mad R. at CR 28 bridge, (adult); Kovarik (see Randolph & McCafferty, 1998).