Baetidae

Acerpenna pygmaea. 09/18/2013. Beaver Cr., 41.4589, -84.4383, MJ Bolton.
Baetis flavistriga. 09/16/2013. Nettle Cr., 41.6722, -84.6889, L Hughes.
Baetis intercalaris. 09/26/2013. St. Joseph R., 41.4892, -84.7306, L Hughes.
Baetis tricaudatis. 08/07/2013. Fish Cr., 41.6522, -84.7964, L Hughes.
Diphetor hageni. 08/12/2013. Clear Fork, 41.6953, -84.6311, L Hughes.
Labiobaetis frondalis. 08/13/2013. N.Br. Eagle Cr., 41.6097, -84.7039, L Hughes.
Neocloeon sp. 09/26/2013. St. Joseph R., 41.4892, -84.7306, L Hughes.
Labiobaetis propinquus. 1998. Williams Co., Randolph and McCafferty (1998) ; 09/26/2013. St. Joseph R., 41.5192, -84.6975, MJ Bolton.
Paracloeodes fleeki. 09/17/2013. Tiffin R., 41.5728, -84.3372, MJ Bolton.
Paracloeodes minutus. 09/17/2013. Tiffin R.;, 41.546853, -84.39104, MJ Bolton.
Procloeon viridoculare. 09/26/2013. St. Joseph R., 41.5192, -84.6975, L Hughes.

Ephemeridae

Hexagenia atrocaudata. 09/06/2013. Eagle Cr., 41.6008, -84.6608, L Hughes.
Hexagenia bilineata. 08/13/2013. Leatherwood Cr., 41.5281, -84.4214, MJ Bolton.
Hexagenia limbata. 09/08/2013. Beaver Cr., 41.4589, -84.4383, MJ Bolton.

Heptageniidae

Heptagenia elegantula. 06/24/2013. Bates Cr., 41.5839, -84.3514, MJ Bolton.
Stenonema exigiuum*. 09/26/2013. St. Joseph R., 41.4892, -84.7306, L Hughes.
Stenonema femoratum. 09/26/2013. St. Joseph R., 41.4892, -84.7306, L Hughes.
Stenonema pulchellum*. 09/26/2013. St. Joseph R., 41.4892, -84.7306, L Hughes.
Stenonema terminatum*. 09/26/2013. St. Joseph R., 41.4892, -84.7306, L Hughes.
Stenonema mediopunctatum*. 09/25/2013. St. Joseph R., 41.435398, -84.74564, L Hughes.
Stenonema vicarium*. 09/16/2013. Nettle Cr., 41.6722, -84.6889, L Hughes.
* These species are listed as Maccaffertium by Mayfly Central.

Leptohyphidae

Tricorythodes allectus. 09/26/2013. St. Joseph R., 41.5717, -84.6325, L Hughes.