Primary type information:
Primary type material: lectotype major worker (by designation of Wilson, 2003a: 284). Primary type locality: lectotype U.S.A.: Texas, Fort Davis (5400 ft), vi.1902 (W.M. Wheeler). 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, LACM, MCZC.
Original description cites syntype major workers, syntype minor workers, syntype queens, syntype males (numbers not stated; “several specimens of each”).