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