Primary type information:
Primary type material: syntype major and minor workers, syntype males (numbers not stated, “numerous…from three colonies”). Primary type locality: U.S.A.: Arizona, Grand Canyon, Coconino Forest (W.M. Wheeler) (by restriction of Creighton, 1950a: 379). Primary type depository: MCZC.
Type notes:
Other original syntype localities: U.S.A.: Grand Canyon, Indian Garden (W.M. Wheeler), U.S.A.: Utah, East Mill Creek (R.V. Chamberlin).