Ameletidae

Ameletus lineatus. 1985. Spruce Run, Hall (1985); 04/18/2010. E.Fk Salt Cr., 39.39379, -82.53968, RE DeWalt.
Ameletus sp. 03/24/2000., Trib. Queer Cr.; 39.424772, -82.566723; E. Fk. Queer Cr., 39.4064, -82.5761; MJ Bolton.

Baetidae

Baetis flavistriga. 09/25/2019. Spruce Run, 39.452569, -82.5993, MJ Bolton.
Baetis intercalaris. 27/25/2016. W.Br. Raccoon Cr., 39.4197, -82.4692, M Gray.
Diphetor hageni. 08/02/2018. Trib. Queer Cr., 39.434047, -92.54918, MJ Bolton.
Labiobaetis propinquus. 1985 Spruce Run, Hall (1985)
; 07/12/2017. W.Br. Raccoon Cr., 39.4197, -82.4692, C McKnight.
Neocloeon sp. 09/25/2019. Spruce Run, 39.452569, -82.5993, MJ Bolton.
Plauditus virilis. 07/12/2017. W.Br. Raccoon Cr., 39.4197, -82.4692, C McKnight.
Procloeon viridoculare. 09/21/1992. Hocking Co., Salt Cr., 39.377416, -82.642254, MJ Bolton.

Baetiscidae

Baetisca lacustris. 1998. Queer Cr., Little Blaine Cr., Ohio EPA; 10/25/2016; Queer Cr. 39.41472, -82.61379, DH Dean.
Baetisca obesa. 1998. Pine Cr., Ohio EPA.

Caenidae

Caenis amica. 1985. Hocking Co., Hall (1985)
.

Ephemerelladae

Ephemerella dorothea. 1985. Clear Cr., Hall (1985).
Eurylophella enoenesis. 1993. Pine Cr., upstream of Keck Ridge Rd., OEPA.
Eurylophella macdunnoughi. 05/15/2019. Unnamed Trib. E.Fk. Queer Cr., 39.4197, -82.5093, DH Dean.

Ephemeridae

Ephemera varia. 1998. Crane Hollow Branch Pine Cr., Ohio Biol. Survey.
Hexagenia limbata. 1985. Big Pine Cr., Hall (1985).

Heptageniidae

Nixe perfida. 05/15/2019. E.Fk. Queer Cr., 39.4197, -82.5093, DH Dean.
Stenonema exigiuum*. 1985. Hocking R., Hall (1985); 06/08/2010. Clear Cr., 39.5883, -81.5776, DH Dean.
Stenonema femoratum. 1998. Fivemile Cr., Pine Cr., OEPA; 08/09/2018. Trib. Queer Cr., 39.438606, -82.5376, MJ Bolton.
Stenonema pulchellum*. 1985. Clear Cr., Salt Cr., Hall (1985).
Stenonema terminatum*. 1985. Hocking R., Hall (1985).
Stenonema vicarium*. 1985 Big Pine Cr., Scioto Brush Cr., Hocking R., Hall (1985). 2010. Clear Cr., DH Dean., 10/25/2016; Queer Cr. 39.41472, -82.61379, DH Dean.; 08/09/2018. Trib. Queer Cr., 39.438606, -82.5376, MJ Bolton
Stenacron interpunctatum. 1985. Clear Cr., Hocking R., Hall (1985).
* These species listed as Maccaffertium by Mayfly Central.

Isonychiidae

Isonychia bicolor. 10/25/2016; Queer Cr. 39.41472, -82.61379, DH Dean.

Leptophlebidae

Habrophlebiodes americana. 1985. Spruce Run, Hall (1985); 08/02/2018. Trib. Queer Cr., 39.426085, -82.57331, MJ Bolton.
Habrophlebia vibrans. 08/02/2018. Trib. Queer Cr., 39.426085, -82.5733, MJ Bolton.
Paraleptophlebia ontario. 1998. Fivemile Cr., Ohio Biol. Survey.