Ameletidae

Ameletus sp. 04/15/2006. E.Fk Upper Twin Cr., 38.6973, -83.2478, RE DeWalt, SK Ferguson, RF Kirchner.

Baetidae

Acentrella nadineae. 08/24/2016. Turkey Cr., 38.7086, -83.135, MJ Bolton.
Acentrella turbida. 07/01/2010. Rocky Fk. Scioto R., 38.94814, -82.8929, MJ Bolton.
Anafroptilum minor group sp. 1. 09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.
Baetis flavistriga. 08/25/2016. Turkey Cr., 38.7086, -83.135, MJ Bolton.
Baetis intercalaris. 1993 Scioto R. at Rt 104, BC Kondratieff (adults); 09/08/2016. Scioto R., 39.8333, -83.0183, L Hughes.
Diphetor hageni. 09/12/2018. Trib. Odell Cr., 38.73588, -83.1174, MJ Bolton.
Labiobaetis dardanus. 09/08/2016. Scioto R., 39.8333, -83.0183, L Hughes.
Labiobaetis propinquus. 1985. Turkey Cr., Hall (1985)
; 09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.
Neocloeon sp. 09/08/2016. Scioto R., 39.8333, -83.0183, L Hughes.
Paracloeodes fleeki. 08/23/2010. Pine Cr., 38.653378, -82.80239, MJ Bolton.
Paracloeodes minutus. 09/21/2011. Scioto R., 39.9386, -83.0325, C McKnight.
Plauditus dubius. 09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.
Procloeon viridoculare.09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.

Ephemerelladae

Eurylophella funeralis. 1985. Pine Cr., Hall (1985).
Eurylophella macdunnoughi. 1998. East Fork Cr., Pond Lick Cr., Colorado State Univ.

Ephemeridae

Ephemera varia. 07/20/2016. E.Fk. Upper Twin Cr., 38.6011, -83.2253, MJ Bolton.
Hexagenia limbata. 1998. E. Fk. Pond Lick Cr., Colorado State Univ.; 09/18/2010. Pine Cr., 38.759277, -82.72659, MJ Bolton.

Heptageniidae

Epeorus namatus. 1985. Turkey Cr., Hall (1985).
Heptagenia flavescens. 1998. Scioto R. at Rt 104, Kondratieff (1998), Colorado State Univ. (adults).
Leucrocuta walshi. 1998. Scioto R., Colorado State Univ.
Stenonema exigiuum*. 1974. Scioto R., Lewis (1974); 09/08/2016. Scioto R. , 38.8333, -83.0183, L Hughes.
Stenonema femoratum. 1974. Scioto R., Turkey Run Cr., Lewis (1974): 09/08/2016. Scioto R., 39.8333, -83.0183, L Hughes.
Stenonema mexicanum integrum*. 1974. Ohio R., Scioto R., Lewis (1974); 09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.
Stenonema pulchellum*. 1974. Turkey Run, Lewis (1974); 09/22/2011. Scioto R., 38.785, -82.9858, J Freda.
Stenonema terminatum*. 1979. Scioto R., Bednarik & McCafferty (1979); 09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.
Stenonema vicarium*. 1974. Turkey Run), Lewis (1974); 09/12/2018. Trib Odell Cr., 38.73588, -83.1174, MJ Bolton.
Stenacron interpunctatum. 1998. East Fork Cr., Pond Lick Cr., Colorado State Univ.
*These species are listed as Maccaffertium by Mayfly Central.

Isonychiidae

Isonychia bicolor. 1998. East Fork Cr., Pond Lick Cr., Colorado State Univ.

Leptohyphidae

Tricorythodes allectus. 09/08/2016. Scioto R., 38.8333, -83.0183, L Hughes.

Leptophlebidae

Choroterpes basalis. 1998. Scioto Brush Cr., OEPA; 08/24/2018. Turkey Cr., 38.7086, -83.135, MJ Bolton.
Habrophlebiodes americana. 09/12/2018. Trib. Odell Cr., 38.72712, -83.11193, MJ Bolton.
Leptophlebia cupida. 1985. Pine Cr., Hall (1985).