Taxonomic history
Cole, 1954a PDF: 90 (m.).Junior synonym of Formica subaenescens: Wheeler, 1913i PDF: 504.Subspecies of Formica fusca: Wheeler, 1910a PDF: 570; Essig, 1926 PDF: 866; Brown, 1947 PDF: 7 (redescription); Smith, 1951c PDF: 863.Status as species: Creighton, 1950a PDF: 499; Cole, 1954a PDF: 89; Cole, 1954c PDF: 165; Cole, 1955b PDF: 50; Smith, 1958c PDF: 155; Smith, 1967a PDF: 371; Hunt & Snelling, 1975 PDF: 23; Francoeur, 1977b PDF: 208; Yensen et al., 1977 PDF: 184; Wheeler & Wheeler, 1978b PDF: 394; Smith, 1979: 1462; Allred, 1982: 464; Wheeler & Wheeler, 1986g PDF: 81; MacKay et al., 1988: 114; Bolton, 1995b: 194; Mackay & Mackay, 2002 PDF: 342; Ward, 2005 PDF: 63.Senior synonym of Formica rasilis: MacKay et al., 1988: 114; Bolton, 1995b: 194.Senior synonym of Formica rasilis spicata: Cole, 1954a PDF: 89; Cole, 1955b PDF: 50; Smith, 1958c PDF: 155; Smith, 1979: 1462; Bolton, 1995b: 194.Material of the unavailable name Formica microgyna rasilis pinetorum referred here by Smith, 1979: 1462.
