Friendly Small Square-gilled Mayfly Caenis amica (Hagen, 1946)
First collection, most recent collections, locations, collectors:
1985. Hocking Co., Hall (1985)
1998. Adams Co., (Treber Run), Ashtabula Co. (Conneaut Cr., Lebanon Cr., Phelps Cr.), Athens Co. (Margaret Cr.), Brown Co. (E. Br. Little Miami R.), Champaign Co. (Cedar Bog), Clermont Co. (Backbone Cr., E. Fk. Little Miami R.), Delaware Co. (Alum Cr.), Green Co., Hardin Co. (Scioto R., S. Wildcat Cr., N. Br. Margaret Cr.), Jackson Co. (Pigeon Cr.), Medina Co. (E. Fk. E. Branch Black R.), Ottawa Co. (L. Erie), Seneca Co. (Beaver Cr. Reservoir), Selby Co. (Loamie Cr.), Trumbull Co. (Mahoning R., Mosquito Cr.), Ohio Biol. Survey; Richland Co., Purdue Entomol. Res. Survey.
2017, 2018. Medina Co. (Johnsons Cr.); DH Dean
= recent collection (since 2000);
= earlier collection.
Dotted Small Square-tailed Mayfly Caenis punctata , McDunnough (1931)
First collection, most recent collection, location, collector:
1947. Franklin Co., Columbus, VII-1-1947, TA Wooley, Purdue Entomol. Res. Ctr. 1965. Henry Co. (Maumee R., 3.7 mi downstream from Hwy. bridge at Napolean Station 3.), VII-28-1965, JW Richardson, Jr.
Traver's Small Square-gilled Mayfly Caenis anceps (Traver, 1935)
First collection, most recent collections, locations, collectors:
1994. Darke Co. (Greenville Cr. at Mill Run, Gettysburg, IX-16,1994, VIII-27-1994 (adults)); Greenville Cr. at Gettsburg Rd. SE of Bradford, VI-15-1994). Ohio Biol. Survey.
1995. Green Co. (Little Miami R., Glen Helen Bridge), VII-29-1995.
1996. Delaware Co. (Alum Cr., at Galena Rd bridge), VII-3-1996. MR Ballard (adults); Hamilton Co. (Dravo Park), VIII-1-1995. (adults), Ohio Biol. Survey.
2017. Medina Co. (Johnson's Cr.), DH Dean
Northern Small Square-gilled Mayfly Caenis diminuta, Walker (1853)
First collection, most recent collections, locations, collectors:
1995. Washington Co. (Duck Cr. at MC R 42), VI-15-1995, WP McCafferty
First collection, most recent collection, location, collector:
Reported in Randolph and McCafferty (1998) before OEPA stopped taking Caenis to species.
First
1985. Carroll Co., Guernsey Co., Hall (1985).
Adams Co.
1998. Breech Fork, Cassell Run, Turkey Run, Hills Fk., Eagle Fork, Isaacs Cr., Lick Fk., Ohio Brush Cr, Mill Cr., Treber Run, OEPA
Ashland Co.
1998. Clear Cr., OEPA
Ashtabula Co.
1998.Conneaut Cr., Enter Cr., Hosking Cr., Indian Cr., OEPA
Athens Co.
1998. Big Bailey Run, Hocking R., Margaret Cr., North Br. Margaret Cr., W. Branch Margaret Cr., OEPA
Butler Co.
1998. Sevenmile Cr., OEPA,
Champaign Co.
1998. Cedar Bog, Nettles Cr., OEPA
Clark Co.
1998. North Fk. Little Miami R., OEPA
Clermont Co.
1998. Bullskin Cr., Nine Mile Cr., Rock Run, Stonelick Cr. Sugarcamp Run, Ten Mile Cr., OEPA
Delaware Co.
1998. Alum Cr., Bokes Cr., Dun Run, Fulton Cr., OEPA
Erie Co.
1998. Vermilion R., OEPA
Franklin Co.
1998. Scioto R., OEPA
Green Co.
1998. Old Town Cr., South Br. Ceasar Cr., OEPA
Hamilton Co.
No stream given.
Hancock Co.
1998. Laplocte trib. Grand R., OEPA
Highland Co.
1998. Paint Cr., Colorado State Univ.
Marion Co.
1998. Scioto R., OEPA
Medina Co.
1998. Coon Cr., E. Fk East Br. Black R., OEPA
08/08/2017. Johnson's Cr., 41.2165, -81.7141, DH Dean
Miami Co.
1998. Brush Cr., Ludlow Cr., Stillwater R., trib. Honey Cr.
Ottawa Co.
1990. OttawaCo. (L. Erie),
Preble Co.
1998. Big Cave Run, Dixon Branch, Price Cr., Sevenmile Cr., OEPA
Putnam Co.
1998. Auglaise R., Provonsha (1990).
Shelby Co.
1998. Leatherwood Cr., Loramie Cr., Ninemile Cr., OEPA
Trumble Co.
Mosquito Cr., Pymatuniing Cr., OEPA
Union Co.
1998. Mill Cr., OE
Washington Co.
1998. Duck Cr., Little Muskingum R., W. Br Little Hocking R., Ohio Biol. Survey
Lacustine Small Square-gilled Mayfly Sparbarus lacustris (Needham, 1918)
First collection, most recent collection, location, collector:
First
09/12/1995. Hardin Co., Scioto R., 40.6369, -83.5986; 40.6669, -83.6792, MJ Bolton.
Ashtabua Co.
09/15/2015. Conneaut Cr. 41.892737, -80.6678, S Macy.
Delaware Co.
09/01/2011. Olentangy R., 40.324253, -83.07077l, MJ Bolton.
Gallia Co.
08/18/2015. Campaign Cr., 38.899986, -82.18289, C McKnight.
08/02/2016. Black Fork, 38.841538, -82.49783, M Gray.
Guernsey Co.
07/17/2014. Clear Fork, 40.1472, -81.4542, MJ Bolton.
Lawrence Co.
08/09/2016. Fivemile Cr., 38.488183, -82.38802, C McKnight.
08/16/2016. Johns Cr., 38.6903, -82.7492, E Moore.
08/25/2016. Buffalo Cr., 38.7386, -82.5222, C McKnight.
Lucas Co.
08/22/2016. Wolf Cr./Williams Ditch, 41.67365, -83.28611, C McKnight.
Monroe Co.
09/09/2015. Little Muskingum R., 39.646212, -81.08363, L Hughes.
Washington Co.
09/10/2015. Little Muskingum R., 39.5369, -81.2228, L Hughes.
09/16/2015. Little Mjuskingum R., 39.5631, -81.2039, L Hughes.
Maculated Small Square-gilled Mayfly Sparbarus maculatus (Berner, 1946)
First collection, most recent collection, location, collector:
1995. Hardin Co. (Scioto R. at RM 211.5 & RM 211.9, down stream from CR 130), Ohio EPA
1982. Sandusky Co. (Muddy Cr. at CR 28), Ohio EPA
