Primary type information:
Primary type material: syntype major and minor workers, syntype males (numbers not stated, “numerous… from three colonies”). Primary type localities: U.S.A.: Arizona, Grand Canyon, Coconino Forest (W.M. Wheeler) (invalid restriction of type locality by Creighton, 1950a: 379; no lectotype designated), U.S.A.: Arizona, Grand Canyon, Indian Garden (W.M. Wheeler), U.S.A.: Utah, East Mill Creek (R.V. Chamberlin). Primary type depository: MCZC.