Formica subaenescens

Distribution
This taxon was described from the United States.

Nomenclature

 *  subaenescens. Formica fusca var. subaenescens Emery, 1893i: 659 (w.) U.S.A. Wheeler, W.M. 1913f: 504 (q.m.). Subspecies of fusca: Buren, 1944a: 300. Junior synonym of fusca: Creighton, 1950a: 532; Francoeur, 1973: 189; Wheeler, G.C. & Wheeler, J. 1986g: 16. Revived from synonymy and raised to species: Francoeur, 1977b: 208; Bolton, 1995b: 204.