Baetidae

Acentrella turbida. 10/03/2018. Preble Co., E. Fk. Whitewater R., 39.8664, -84.7908; 39.8439, -84.8053, MJ Bolton.
Baetis brunneicolor. 08/02/2017. Rocky Fk. Whitewater R., 39.853354, -84.79894, S Macy.
Baetis flavistriga. 10/03/2018. E. Fk. Whitewater R., 39.849, -84.8053, MJ Bolton.
Baetis intercalaris. 10/03/2018. E. Fk. Whitewater R., 39.849, -84.8053, MJ Bolton.
Diphetor hageni. 08/21/2018. Trib. Fourmile Cr., 39.57328, -84,75609, MJ Bolton.
Iswaeon anoka. 10/03/2018. E. Fk. Whitewater R., 39.8439, -84.8053, MJ Bolton.
Labiobaetis frondalis. 10/03/2018. E.Fk. Whitewater R., 39.8439, -84.8053, MJ Bolton.
Neocloeon sp. 10/03/2018. E.Fk. Whitewater R., 39.8439, -84.8053, MJ Bolton.

Caenidae

Caenis latipennis. 1998. Big Cave Run, Dixon Branch, Price Cr., Sevenmile Cr., Ohio Biol. Survey.

Ephemeridae

Ephemera simulans. 1998. Price Cr., trib. Elk Cr., trib. Sevenmile Cr., Ohio Biol. Survey.

Heptageniidae

Nixe inconspicua. 1994. Sevenmile Cr. at US 127, E of Eaton, VII-9-1994 (adults). Ohio Biol. Survey.
Stenonema femoratum. 1998. Aukeman Cr., Big Cave Run, E. Fork Fourmile Cr., trib. Elk Cr., OEPA; 10/03/2018. E.Fk. Whitewater R., 39.8439, -84.8053, MJ Bolton.
Stenonema mediopunctatum*. 10/03/2018. E.Fk. Whitewater R., 39.8439, -84.8053, MJ Bolton.
Stenonema modestum*. 1998. Little Fourmile Cr., Paint Cr., Price Cr., Ohio Biol. Survey.
Stenonema terminatum*. 09/20/2017. E. Fk. Whitewiater R., 39.8664, -84.7908, MJ Bolton.
Stenonema vicarium*. 10/03/2018. E. Fk. Whitewater R., 39.8439, -84.8053, MJ Bolton.
*These species are listed as Maccaffertium by Mayfly Central.

Isonychiidae

Isonychia rufa. 1998. Sevenmile Cr.. Ohio Biol. Survey.

Leptohyphidae

Tricorythodes allectus. 1998. Sevenmile Cr.. Ohio Biol. Survey; 08/16/2017. Little Cr., 39.873574, -84.77843, S Macy.