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Eastern Green Drake Mayfly Ephemera guttulata Picket, 1843

First collection, most recent collections, locations, collectors:
First
06/30/20154/04/2013. Adams Co., Waggoner Run, 38.71966, -83.43224, MJ Bolton.
Adams Co.
09/11/2018. Mackenzy Run, 38.7195, -83.44804, MJ Bolton.
Belmont Co.
09/25/2013. Trib. to Trib. Stillwater Cr., 40.015203, -81.10594, A Dripps
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Terms
Aquatic Macros

Shadowed Burrowing Mayfly Ephemera simulans Walker (1885)

First collection, most recent collections, since 2000, locations, collectors:
First
1958. Champaign Co. (Mad R.), Gaufin (1958)

Ashtabula Co.
09/12/2007. Trib. Crooked Cr., 41.642, -80.974, MJ Bolton.
Morrow Co.
08/28/2003. Whetstone Cr., 40.49896, -82.91146, MJ Bolton.
Muskingum Co.
06/16/2008. Dry Riffle Run, 39.803926, -81.89146, D Eicher.
Ross Co.
07/06/2006. Biers Run, 39.3778, -83.0676, J Freda.
Stark Co.
07/16/2003. Pigeon Run, 40.764, -81.581, J Freda.

= recent collection (since 2000); = earlier collection.

West Virginia Burrowing Mayfly Ephemera blanda Traver, 1932

First collection, most recent collections, locations, collectors:

First
06/30/2015. Ashtabula Co., Trib. Conneaut Cr., 41.884903, -80.64219, S Macy.
Monroe Co.
07/13-14/2015. Brister Fork, 39.7278, -81.1708; Rias Run, 39.6419, -81.21.25, L Hughes.

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Straight Hex Burrowing Mayfly Hexagenia rigida (McDunnough, 1924)

First collection, most recent collection, location, collector:

1941. Lake Co. (L. Erie), Franklin Co., Ross Co., Spieth (1941).
1942. Ottawa Co. (L. Erie), Shelford & Boesel (1942).
1944. Ottawa Co. (L. Erie), Lyman (1944)
Not recognized by Ohio EPA.

Varied Burrowing Mayfly Ephemera varia Eaton (1883)

First collection, most recent collections, since 2010, locations, collectors:
First
1976. Morgan Co., misidentified as E, triplex, Hall (1976, unpub.), 1985. Nobel Co., Hall (1985),
Adams Co.
08/02/2016. Rock Run, 38.62914, -83.27838, MJ Bolton.
Ashtabula Co.
06/30/2016. Trib. Conneaut Cr., 41.884903, --80.64219, S Macy.
Belmont Co.
10/08/2014. Joy Fork, 39.9408, -80.9978, A Dripps.
Highland Co.
06/28/2016. Factory Branch, 39.200958, -83.38637, MJ Bolton.
Jackson Co.
07/13/2010. Bucklick Cr., 38.90171, -82.75178, MJ Bolton.
Jefferson Co.
07/21/2010. Salem Cr., 40.370747, -80.79617, MJ Bolton.
Monroe Co.
07/16/2015. Browns Run, 39.619277, -81.1208, L Hughes.
Muskingum Co.
07/03/2014. Whiteeyes Cr., 40.09402, -81.77145, L Hughes.
Noble Co.
07/08/2014. McBride Run, 39.74098, -81.32639, MJ Bolton.
Scioto Co.
07/20/2016. E.Fk. Upper Twin Cr., 38.6011, -83.2253, MJ Bolton.

Late Hex Burrowing Mayfly Hexagenia atrocaudata, McDunnough (1924)

First collection, most recent collections, since 2000, locations, collectors:
First
1941. Franklin Co., Spieth (1941).
Erie Co.
07/17/2002. Clayton Ditch, 41.323, -82.6787, C McKnight.
Geauga Co.
07/02/2007. Grand R., 41.357, -81.0219, MJ Bolton.
Holmes Co.
08/05/2009. Wolf Cr., 40.4769, -82.0528, MJ Bolton.
Huron Co.
08/28/2002. Vermilion R., 41.225698, -82.38447, C McKnight.
Jefferson Co.
08/04/2005. Long Run, 40.5003, -80.7963, J Freda.
Miami Co.
08/01/2013. Ludlow Cr., 39.9836, -84.4083, E Moore.
Morrow Co.
09/20/2000. Turkey Run, 40.4122, -82.8994, C McKnight.
Sandulsky Co.
07/08/2009. Pickerel Cr., 41.3577, -82.9687, MJ Bolton.
Shelby Co.
08/11/2009. Great Miami R., 40.2241, -84.2048, C McKnight.
Union Co.
08/19/2009. Fulton Cr., 40.3936, -83.2604, M Gray.
Washington Co.
07/28/2015. Wingett Run, 39.5386, -81.24, C McKnight.
Williams Co.
09/06/2013. Eagle Cr., 41.6008, -84.6608, L Hughes.

Michigan Hex Burrowing Mayfly Hexagenia limbata (Serville, 1829)

First collection, most recent collection, location, collector:

First
1941. Cuyahoga Co., Franklin Co., Loraine Co. (L. Erie), Ottawa Co. (L. Erie), Ross Co., Spieth (1941).
Allen Co.
09/09/2010. Lost Cr., 40.7419, -84.0322, A Dripps.
Ashtabula Co.
08/12/2015. Indian Cr., 41.861309, -80.91656, S Macy.
Athe,ns Co.
07/28/2016. Rockcamp Cr., 39.309068, -82.26405, M Gray.
Carroll Co.
09/21/2016. Scott Run, 40.4164, -81.1362, S Macy.
Clark Co.
08/22/2011. N.Fk. Little Miami R., 39.8081, -83.79, C McKnight.
Coshocton Co.
09/16/2014. Wills Cr., 40.1796, -81/6906, MJ Bolton.
Fulton Co.
08/27/2013. Old Bean Cr., 41.6233, -84.2903, MJ Bolton.
Greene Co.
09/22/2011. Little Miami R., 39.6914, -84.0286, A Dripps.
Guernsey Co.
09/12/2014. Birds Run, 40.1692, -81.6481, L Hughes.
Hardin Co.
07/03/2017. Rickenbach Ditch, 40.8325, -83.471, MJ Bolton.
Harrison Co.
07/20/2016. Dining Fork, 40.408, -81/1027, S Macy.
Huron Co.
06/13/2016. Trib. W.Br. Huron R., 41.0096, -82.5716, C McKnight.
Lorain Co.
08/21/2012. E.Br. Black R., 41.23435, -82.0816, A Dripps.
Lucas Co.
07/07/2011. Prairie Ditch, 41.671075, -83.78142, MJ Bolton.
Mahoning Co.
08/30/2011. Meander Cr., 41.025, -80.8389, C McKnight.
Monroe Co.
09/08/2015. Little Muskingum R., 39.693231, -81.13922, L Hughes.
Paulding Co.
09/22/2014. Little Auglaize R., 41.0922, -84.4078, S Macy.
Putnam Co.
08/26/2010. Plum Cr., 40.98115 -8 -84.15043, E Moore.
Scioto Co.
09/18/2010. Pine Cr., 38.759277, -82.72659, MJ Bolton.
Tuscarawas Co.
08/23/2016. Conotton Cr., 40.5139, -81.2748, S Macy.
Union Co.
08/20/2014. Flat Branch, 40.2778, -83.5406, C McKnight.
Van Wert Co.
06/30/2014. Kyle Prairie Ditch, 40.728168, -84.50861, S Macy.
Vinton Co.
08/04/2016. Onion Cr., 39.2597, -82.2681, M Gray.
Williams Co.
09/08/2013. Beaver Cr., 41.4589, -84.4383, MJ Bolton.

"Brown Drake" Mayfly Litobrancha recurvata (Morgan, 1913)

First collection, most recent collection, since 2000, location, collector:

First
09/20/1991. Champaign Co., E.Br. Cedar Run, 40.0558, -83.7942, Ohio EPS Biologist.
Geauga Co.
08/18/2004. Beaver Cr., 41.517251, -81.22343, E Moore.
Muskingum Co.
04/06/2011. Trib. White Eyes Cr., 40.120102, -81.7213, MJ Bolton.

Say's Hex Burrowing Mayfly Hexagena bilineata (Say, 1824)

First collection, most recent collection, since 2010, location, collector:
First
1926. Ottawa Co. (L. Erie), Wiebe (1926).
Ashtabula Co.
08/02/2011. W.Br. Ashtabula R., 41.71414, -80.61453, MJ Bolton.
Auglaize Co.
08/17/2015. Hussey Cr., 40.655022, -83.43712, C McKnight.
Belmont Co.
07/02/2012. Stillwater Cr., 40.060115, -81.12061, MJ Bolton.
Columbiana Co.
08/02/2010. Sandy Cr., 40.7494, -81.045, C McKnight.
Darke Co.
07/30/2013. Mud Cr., 40.1017, -84.6394, C McKnight.
Defiance Co.
06/25/2013. Little Lick Cr., 41.4083, -84.5736, MJ Bolton.
Fulton Co.
06/24/2013. Old Bean Cr., 41.635864, -84.22931, MJ Bolton.
Guernsey Co.
07/29/2014. Brushy Fork, 40.1008, -81.4175, MJ Bolton.
Hardin Co.
09/07/2010. No. 28 Ditch, 40.798315, -83.78477, C McKnight.
Harrison Co.
06/22/2016. Conotton Cr., 40.3578, -80,9751, S Macy.
Henry Co.
08/26/2015, Beaver Cr., 41.27743, -83.90203, C McKnight.
Jackson Co.
07/21/2016. Trib. Symmes Cr., 38.9719, -82.5403, C McKnight.
Lucas Co.
07/07/2011. Prairie Ditch, 41.673283, -83.76279, MJ Bolton.
Medina Co.
08/01/2012. E.Br. Black R., 41.08639, -82.0691, A Dripps.
Meigs Co.
06/25/2015. Forked Run, 39.1197, -81.8047, C McKnight.
Monroe Co.
08/19/2015. Millers Fork, 39.6944, -81.0614, L Hughes.
Noble Co.
08/14/2014. Beaver Cr., 39.9011, -81.3197, L Hughes.
Putnam Co.
08/26/2010. Plum Cr., 40.981158, -84.15043, E Moore.
Union Co.
08/20/2014. Flat Branch, 40.2778, -83.5406, C McKnight.
Washington Co.
07/23/2015. Eightmile Cr., 40.988686, -81.93814, C McKnight.
Williams Co.
08/13/2013. Leatherwood Cr., 41.5281, -84.4214, MJ Bolton.
Wood Co.
09/17/2015. Bull Cr., 41.3111, -83.5858, MJ Bolton.