Baetidae

Acerpenna pygmaea. 07/16/2019. Pigeon Run, 40.8102, -84.272, C McKnight.
Baetis flavistriga. 09/06/2019. Auglaize R., 40.6458, -84.0719, A Dripps.
Baetis intercalaris. 1991. Hog Cr. at Swaney Rd. RM 0.3, OEPA; 09/09/2019. Auglaize R., 40.7078, -84.2733. C McKnight.
Labiobaetis frondalis. 09/05/2019. Auglaize R., 40.6854, -840132, C McKnight.
Neocloeon sp. 08/25/2010. Little Hog Cr., 40.7678, -83.955, C McKnight.
Paracloeodes minutus. 09/06/2019. Auglaize R., 40.6458, -84.0719, A Dripps.
Procloeon viridoculare. 09/09/2019. Auglaize R., 40.7078, -84.2733, C McKnight.

Ephemeridae

Hexagenia limbata. 09/09/2010. Lost Cr., 40.7419, -84.0322, A Dripps.

Heptageniidae

Stenonema or Maccaffertium pulchellum*. 09/09/2019. Auglaize R., 40.7078, -84.2733, C McKnight.
Stenonema or Maccaffertium terminatum*. 09/09/2019. Auglaize R., 40.7078, -84.2733, C McKnight.
Stenonema femoratum. 09/09/2019. Auglaize R., 40.7078, -84.2733. C McKnight.

*there is currently a conflict in the naming of the Stenonema/Maccaffertium genus (see Checklist for more info.).