Lasius occidentalis

Distribution
British Columbia and Washington east to Manitoba and Minnesota with a southern extension to New Mexico.

This taxon was described from United States.

Nomenclature

 *  occidentalis. Lasius (Acanthomyops) occidentalis Wheeler, W.M. 1909e: 83 (w.q.m.) U.S.A. Combination in Acanthomyops: Creighton, 1950a: 432; in Lasius: Ward, 2005: 13. See also: Wing, 1968: 143.