_Specimens examined._--Total number, 222, arranged alphabetically by provinces and states and, arranged from north to south, by counties in each state. Unless otherwise indicated, specimens are in the University of Wisconsin Museum of Zoölogy.
=Iowa.= _Dickinson County_: W side Lake Okobogie, 1[48]. _Winnebago County_: Lake Mills, 7[65]. _Worth County_: Northwood, 1[65]. _Clay County_: "Dewey's Pasture, near Ruthven," 1[76].
=Manitoba.= Aweme, 4[47]; Red River Settlement, 1[91].
=Michigan.= _Isle Royal_: Tobin Harbor, 1[76]; Bell Isle, 1[76]; Washington Harbor, 3[76]. _Ontonagon County_: Ontonagon, 2 (1[76], 1[14]); T. 51N, R. 43W, S. 17, Porcupine Mts., 1[76]. _Gogebic County_: Little Girls Point, 5[76]; Ironwood, 1[76]. _Iron County_: no locality more definite than county, 1[76]. _Luce County_: Tahquamenon River Falls, 1[91]. _Chippewa County_: Sault Ste. Marie, 2[76]. _Emmet County_: Wilderness State Park, 2[76]. _Cheboygan County_: Univ. Mich. Biol. Station, 1[76]. _Washtenaw County_: Ann Arbor, 1[76].
=Minnesota.= _Kittson County_: no locality more definite than county, 1[2]. _Roseau County_: Deer Township, 1[14]; Falun Township, 2[14]. _Marshall County_?: Moose River, 5[93]; Warren, definitely in Marshall County, 1[93]. _Cook County_: Grand Marais, 3 (2[76], 1[14]). _St. Louis County_: 2 mi E Babbitt, 14[93]; Burntside [= Burnside] Lake, 1[91]. _Itasca County_: T. 61N, R. 26W, 23. _Clay County_: Moorhead, 3[9]. _Aitkin County_: Aitkin, 13 (11[60], 1[7], 1[4]). _Otter Tail County_: Arthur, 3[60]; Ten Mile Lake, 1[76]; Parkers Prairie, 2[75]. _Chisago County_: North Branch, 1[60]. _Sherburne County_: Elk River, 42 (16[91], 5[14], 20[59], 1[74]). _Hennepin County_: Lake Minnetonka, 1[75]; Minneapolis, 1[91]; Fort Snelling, 5 (4[2], 1[60]).
=North Dakota.= _Pembina County_: Walhalla, 1[91]. _Nelson County_: Stump Lake, 1[91]. _Eddy County_: Brantford, 2[76].
=Wisconsin.= _Douglas County_: T. 44N, R. 13W, 1; Gordon, 1. _Bayfield County_: Brinks Camp, Washburn, 1[2]; "near Cable," 1. _Ashland County_: Bear Lake, 2. _Iron County_: Fisher Lake, 4; Mercer, 5. _Vilas County_: Mamie Lake, 16[91]; Ox Bow Lake, 1[91]. _Oneida County_: Tomahawk Lake, 1[60]. _Langlade County_: T. 34N, R. 11E, 3. _Rush County_: Ladysmith, 1. _Dunn County_: Colfax, 2. _Door County_: Mink River, Ellison Bay, 1[76]. _Dodge County_: Fox Lake, 1[50]; Beaver Dam, 12[50].