Status as species: Cresson, 1887: 262; Dalla Torre, 1893: 112; Wheeler, 1909g: 185 (in text); Wheeler, 1910a: 562; Wheeler, 1913d: 115; Wheeler, 1914c: 42; Wheeler, 1916r: 584; Wheeler, 1917a: 501; Wheeler, 1917k: 460; Essig, 1926: 857; Smith, 1930a: 3; Cole, 1936a: 35; Wheeler, 1932a: 9; Santschi, 1936a: 43; Cole, 1936a: 35; Cole, 1937a: 99; Dennis, 1938: 279; Wesson & Wesson, 1940: 92; Cole, 1942: 361; Buren, 1944a: 289; Creighton, 1950a: 219; Smith, 1951c: 810; Cole, 1953i: 299; Smith, 1958c: 128; Carter, 1962a: 6 (in list); Cole, 1966b: 16; Beck et al., 1967: 71; Smith, 1967a: 356; Kempf, 1972b: 144; Wheeler & Wheeler, 1973a: 30; Hunt & Snelling, 1975: 21; Francoeur, 1977b: 207; Yensen et al., 1977: 183; Smith, 1979: 1382; Snelling & George, 1979: 128; Allred, 1982: 487; DuBois, 1986: 76 (redescription); Wheeler & Wheeler, 1986g: 50; DuBois & LaBerge, 1988: 139; MacKay et al., 1988: 91; Deyrup et al., 1989: 96; Wheeler et al., 1994: 303; Bolton, 1995b: 264; Mackay & Mackay, 2002: 147; Coovert, 2005: 64; MacGown & Forster, 2005: 69; Fernández, 2007b: 137.

Status as species: {ref 123936}: 262; {ref 124002}: 112; {ref 130041}: 185 (in text); {ref 130044}: 562; {ref 130076}: 115; {ref 130084}: 42; {ref 130115}: 584; {ref 130116}: 501; {ref 130126}: 460; {ref 124843}: 857; {ref 128756}: 3; {ref 123685}: 35; {ref 130234}: 9; {ref 128425}: 43; {ref 123685}: 35; {ref 123687}: 99; {ref 124090}: 279; {ref 129802}: 92; {ref 123672}: 361; {ref 123329}: 289; {ref 123910}: 219; {ref 128824}: 810; {ref 123714}: 299; {ref 128854}: 128; {ref 123542}: 6 (in list); {ref 123744}: 16; {ref 122564}: 71; {ref 128863}: 356; {ref 126357}: 144; {ref 129893}: 30; {ref 126032}: 21; {ref 125337}: 207; {ref 130568}: 183; {ref 128659}: 1382; {ref 128905}: 128; {ref 122181}: 487; {ref 124409}: 76 (redescription); {ref 129925}: 50; {ref 124419}: 139; {ref 127023}: 91; {ref 124103}: 96; {ref 129947}: 303; {ref 122860}: 264; {ref 131795}: 147; {ref 143326}: 64; {ref 131768}: 69; {ref 131260}: 137.