Lasius subumbratus

Distribution
This taxon was described from U.S.A.

Nomenclature

 *  subumbratus. Lasius umbratus subsp. subumbratus Viereck, 1903: 73 (q.) U.S.A. Wheeler, W.M. 1910e: 238 (w.m.). Combination in L. (Chthonolasius): Emery, 1925b: 235. Raised to species: Creighton, 1950a: 424. See also: Wheeler, W.M. 1917h: 167; Wilson, 1955a: 175.