Primary type information:
Primary type material: lectotype major worker (by designation of Wilson, 2003a: 277). Primary type locality: lectotype U.S.A.: New Mexico, Arroyo Pecos, Las Vegas (T.D.A. Cockerell) (by restriction of Creighton, 1950a: 175). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depositories: AMNH, MCZC.
Other original syntype localities: Arizona, Prescott (T.D.A. Cockerell), Arizona, Prescott (W.M. Wheeler), Arizona, Tempe (F.H. Simmons).