Formica impexa

Distribution based on Regional Taxon Lists
Nearctic Region: Canada, United States.

Nomenclature

 *  impexa. Formica impexa Wheeler, W.M. 1905c: 273 (w.) U.S.A. Wheeler, W.M. 1906a: 40 (q.). See also: Wheeler, W.M. 1913f: 472.