Lasius americanus Emery, 1893 valid
Lasius niger var. americanus Emery, 1893k: 639 (w.q.m.) U.S.A. Nearctic.
  • Wheeler & Wheeler, 1953c: 147 (l.).
  • Subspecies of Lasius niger: Wheeler, 1904f: 305; Forel, 1900h: 285; Buren, 1944a: 296.
  • Subspecies of Lasius alienus: Creighton, 1950a: 419.
  • Junior synonym of Lasius alienus: Wilson, 1955a: 77.
  • Status as species: Gregg, 1945: 530; Schär et al., 2018: 6.
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