Status as species: Creighton, 1950a: 506; Smith, 1951c: 868; Smith, 1958c: 158; Kutter, 1968c: 207; Yensen et al., 1977: 185; Smith, 1979: 1463; Allred, 1982: 475; Wheeler & Wheeler, 1986g: 86; MacKay et al., 1988: 112 (in key); Wheeler et al., 1994: 307; Bolton, 1995b: 202; Coovert, 2005: 154; Ellison et al., 2012: 170.

Status as species: {ref 123910}: 506; {ref 128824}: 868; {ref 128854}: 158; {ref 126727}: 207; {ref 130568}: 185; {ref 128659}: 1463; {ref 122181}: 475; {ref 129925}: 86; {ref 127023}: 112 (in key); {ref 129947}: 307; {ref 122860}: 202; {ref 143326}: 154; {ref 142320}: 170.