INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9563 H.H. Ross, B.D. Burks 1938-08-15
United States, Illinois, Lake, Waukegan, 42.35737 -87.82995
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9564 H.H. Ross, C.O. Mohr 1946-05-23
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9565 H.H. Ross, G.T. Riegel 1939-05-29
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9566 B.D. Burks 1940-06-01
United States, Illinois, Pope, 4.8 km SE Eddyville at Eddyville Blacktop, Shawnee National Forest, 37.47259 -88.54766, 146m
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9567 B.D. Burks 1940-06-01
United States, Illinois, Pope, Lusk Creek at bridge, SE of Eddyville, 37.472932 -88.547234
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9568 H.H. Ross 1923-07-21
United States, Wisconsin, Vilas, Trout Lake, 46.04306 -89.67056
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9568 H.H. Ross 1923-07-21
United States, Wisconsin, Vilas, Trout Lake, 46.04306 -89.67056
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9569 B.D. Burks 1940-06-01
United States, Illinois, Pope, Lusk Creek at bridge, SE of Eddyville, 37.472932 -88.547234
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9570 M.W. Sanderson, D. Leighton 1944-07-05
United States, Illinois, Jackson, Giant City State Park, 37.61858 -89.19199
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9571 H.H. Ross, B.D. Burks 1938-05-11
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9572 H.H. Ross, B.D. Burks 1936-06-10
United States, Illinois, Lake, Fox Lake, 42.3967 -88.1836
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9573 H.H. Ross, B.D. Burks 1938-06-05
United States, Wisconsin, Waukesha, Mukwonago, 42.85611 -88.33171
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9574 H.H. Ross 1923-07-21
United States, Wisconsin, Vilas, Trout Lake, 46.04306 -89.67056
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9575 H.L. Dozier 1932-05-31
United States, Illinois, Hardin, Elizabethtown
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9576 T.H. Frison, H.H. Ross 1937-07-08
United States, Illinois, Cook, Chicago
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9577 T.H. Frison, H.H. Ross 1937-07-08
United States, Illinois, Cook, Chicago
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9578 H.H. Ross, B.D. Burks 1936-05-04
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9579 H.H. Ross, C.O. Mohr 1936-05-01
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9580 H.H. Ross, B.D. Burks 1936-05-04
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9581 C.O. Mohr 1937-08-26
United States, Ohio, Ottawa, Put-in-Bay, South Bass Island, 41.65417 -82.82083
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9581 C.O. Mohr 1937-08-26
United States, Ohio, Ottawa, Put-in-Bay, South Bass Island, 41.65417 -82.82083
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9582 H.H. Ross, C.O. Mohr 1936-05-15
United States, Illinois, Lake, Antioch, 42.47947 -88.13709
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9583 H.H. Ross, B.D. Burks 1936-05-04
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9584 T.H. Frison, H.H. Ross 1937-07-08
United States, Illinois, Cook, Chicago
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9585 H.H. Ross, C.O. Mohr 1935-05-29
United States, Illinois, Pope, Herod, 37.58028 -88.43611
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9586 H.H. Ross, B.D. Burks 1936-05-17
United States, Illinois, Piatt, Monticello, 40.03106 -88.58838
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9587 H.H. Ross, B.D. Burks 1938-05-11
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9588 H.H. Ross, B.D. Burks 1938-05-11
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9588 H.H. Ross, B.D. Burks 1938-05-11
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9589 G.T. Riegel 1939-07-09
United States, Illinois, Cook, Evanston, 42.04507 -87.67105
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9590 T.H. Frison 1926-06-09
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9591 H.H. Ross, B.D. Burks 1938-05-17
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9591 H.H. Ross, B.D. Burks 1938-05-17
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9592 H.H. Ross, B.D. Burks 1938-05-17
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9593 W.V. Balduf 1944-08-15
United States, Minnesota, Saint Louis, Tower, 47.80369 -92.28066
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9594 T.H. Frison, C.O. Mohr 1938-04-08
United States, Illinois, Union, 5.4 km NE Wolf Lake, 37.511354 -89.37743
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9595 H.H. Ross, B.D. Burks 1936-05-04
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9596 W.V. Balduf 1942-08-01
United States, Minnesota, Saint Louis, Ely, 47.90333 -91.86694
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9597 T.H. Frison, H.H. Ross 1937-07-08
United States, Illinois, Cook, Chicago
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9598 H.H. Ross, B.D. Burks 1936-05-04
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9599 H.H. Ross, B.D. Burks, G.T. Riegel 1940-06-08
United States, Illinois, Mason, Havana, 40.2479 -90.0998
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9599 H.H. Ross, B.D. Burks, G.T. Riegel 1940-06-08
United States, Illinois, Mason, Havana, 40.2479 -90.0998
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9600 E.L. Mockford 1948-08-26
United States, Indiana, Kosciusko, 41.24999 -85.84478
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9601 W.E. Ricker 1946-04-26
United States, Indiana, Lawrence, Springville, 38.93644 -86.61991
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9602 B.D. Burks, G.T. Riegel 1939-05-22
United States, Illinois, Jackson, Cora, 37.82568 -89.67167
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9603 B.D. Burks 1948-04-04
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9604 E. Nelson 1939-07-28
United States, Wisconsin, Vilas, Trout Lake, 46.04306 -89.67056
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9605 H.H. Ross, G.T. Riegel 1939-08-23
United States, Illinois, Jo Daviess, Apple River Canyon State Park, 42.44883 -90.05579
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9606 B.D. Burks 1948-04-04
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9607 C.O. Mohr, G.T. Riegel 1940-06-20
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9608 B.D. Burks 1948-04-04
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9609 B.D. Burks 1948-04-29
United States, Illinois, Clinton, NEW MEMPHIS
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9610 H.H. Ross, B.D. Burks 1938-05-20
United States, Illinois, Lake, Antioch, 42.477 -88.096
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9611 H.H. Ross, B.D. Burks 1942-05-22
United States, Illinois, Vermilion, Muncie at US-150, 40.11323 -87.83275
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9612 B.D. Burks, G.T. Riegel 1939-05-22
United States, Illinois, Jackson, Cora, 37.82568 -89.67167
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9613 B.D. Burks 1940-05-31
United States, Illinois, Union, 5.4 km NE Wolf Lake, 37.511354 -89.37743
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9614 C.O. Mohr, G.T. Riegel 1940-06-25
United States, Illinois, Union, Alto Pass, Union Springs, 37.57 -89.318, 231m
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9615 C.O. Mohr, G.T. Riegel 1940-06-20
United States, Illinois, Pope, Golconda, 37.3672 -88.4864
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9616 B.D. Burks, G.T. Riegel 1939-05-22
United States, Illinois, Jackson, Cora, 37.82568 -89.67167
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9617 B.D. Burks 1940-07-01
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9618 B.D. Burks 1940-06-01
United States, Illinois, Pope, Lusk Creek at bridge, SE of Eddyville, 37.472932 -88.547234
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9619 H.H. Ross, C.O. Mohr 1936-05-07
United States, Illinois, Vermilion, 3.4 km S Oakwood, 40.082773 -87.780608
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9620 C.O. Mohr, B.D. Burks 1946-05-14
United States, Illinois, Saline, Rudement, 37.6365 -88.5172
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9783
United States, Kansas, Dickinson, Abilene, 38.9174 -97.2141
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9785 E.C. Becker, et al. 1948-06-25
United States, Missouri, Wayne, Williamsville
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9786 H.H. Ross 1947-09-26
United States, Illinois, Henderson, Oquawka, 40.93725 -90.95701
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9787 H.H. Ross 1947-08-22
United States, Nebraska, Otoe, Nebraska City, 40.67667 -95.85889
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9788 H.H. Ross 1947-09-26
United States, Illinois, Henderson, Oquawka, 40.93725 -90.95701
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9789 H.H. Ross 1947-09-26
United States, Illinois, Henderson, Oquawka, 40.93725 -90.95701
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9790
United States, Kansas, Ellsworth, Ellsworth, 38.7303 -98.228
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9791 C.C. Adams 1892-07-19
United States, Illinois, McLean, Bloomington, 40.49156 -89.01345
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9792 H.B. Petty 1943-08-23
United States, Illinois, Champaign, Urbana, 40.11056 -88.20722
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9793 T.H. Frison, H.H. Ross 1942-10-03
United States, Illinois, Gallatin, Old Shawneetown, 37.69392 -88.13488
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9794 H.H. Ross
United States, Kansas, Dickinson, Abilene, 38.9174 -97.2141
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9795 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9796 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9796 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9796 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9797 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9798 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9799 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Tortopus primus (McDunnough, 1924) (McDunnough, 1924)
INHS Ephemeroptera 9800 G.E. Quimby 1940-08-09
United States, Tennessee, Lake, Reelfoot Lake, 36.36269 -89.43183
INHS:INSECT
Rhithrogena morrisoni (Banks, 1924) (Banks, 1924)
INHS Ephemeroptera 9801 T.H. Frison, T.H. Frison, Jr. 1940-07-29
United States, Wyoming, Park, Pahaska Tepee, 44.5028 -109.9625
INHS:INSECT
Rhithrogena morrisoni (Banks, 1924) (Banks, 1924)
INHS Ephemeroptera 9802 K.W. Gray 1937-04-03
United States, Oregon, Umatilla, Pendleton, 45.67222 -118.7875
INHS:INSECT
Rhithrogena morrisoni (Banks, 1924) (Banks, 1924)
INHS Ephemeroptera 9803 K.W. Gray 1937-04-03
United States, Oregon, Umatilla, Pendleton, 45.67222 -118.7875
INHS:INSECT
Rhithrogena futilis McDunnough, 1934 McDunnough, 1934
INHS Ephemeroptera 9805 H.H. Ross, J.A. Ross 1940-07-13
United States, Montana, Flathead, Flathead/Glacier Co, Glacier National Park, 48.763 -113.9917
INHS:INSECT
Rhithrogena jejuna Eaton, 1885 Eaton, 1885
INHS Ephemeroptera 9806 T.H. Frison, H.H. Ross 1936-05-21
United States, Michigan, Oscoda, Mio, 44.66011 -84.12918
INHS:INSECT
Rhithrogena impersonata (McDunnough, 1925) (McDunnough, 1925)
INHS Ephemeroptera 9807 T.H. Frison, H.H. Ross 1939-05-28
United States, Michigan, Grand Traverse, Mayfield, 44.63707 -85.51824
INHS:INSECT
Heptagenia elegantula (Eaton, 1885) (Eaton, 1885)
INHS Ephemeroptera 9808 H.H. Ross, J.A. Ross 1938-07-22
United States, Colorado, Park, Hartsel, 39.02167 -105.79528
INHS:INSECT
Rhithrogena robusta Dodds, 1923 Dodds, 1923
INHS Ephemeroptera 9809 H.H. Ross 1936-07-24
United States, Washington, Whatcom, near Shuksan, 48.8646 -121.658, 976m
INHS:INSECT
INHS Ephemeroptera 9810 H.H. Ross, B.D. Burks 1938-04-24
United States, North Carolina, Haywood, Hazelwood, 35.4671 -83.0069
INHS:INSECT
INHS Ephemeroptera 9812 T.H. Frison, H.H. Ross 1939-05-27
United States, Michigan, Benzie, Honor at Zimmerman Rd., 44.66026 -86.01861
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9627 M.W. Sanderson, B.D. Burks 1946-04-04
United States, Illinois, Saline, Rudement, 37.6365 -88.5172
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9628 H.H. Ross, B.D. Burks 1946-03-13
United States, Illinois, Union, 5.4 km NE Wolf Lake, 37.511354 -89.37743
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9629 B.D. Burks 1947-04-10
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9630 C.O. Mohr, B.D. Burks 1946-06-07
United States, Illinois, Pope, Bell Smith Springs, 37.5158 -88.6557
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9631 M.W. Sanderson, B.D. Burks 1946-04-02
United States, Illinois, Jackson, Cora, 37.82568 -89.67167
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9632 H.H. Ross, B.D. Burks 1946-04-05
United States, Illinois, Pope, Herod at St. Hwy 34, 37.580858 -88.43671
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9633 M.W. Sanderson, B.D. Burks 1946-04-04
United States, Illinois, Union, Jonesboro, 37.452 -89.269
INHS:INSECT
Stenonema femoratum (Say, 1823) (Say, 1823)
INHS Ephemeroptera 9634 C.O. Mohr, B.D. Burks 1946-04-29
United States, Illinois, Washington, Ashley, 38.3305 -89.2053