Primary type information:
Primary type material: holotype worker. Primary type locality: Mexico: Nuevo León, 61 km. NE Dr Arroy, 2540 m., 10.vi.1988 (W. Mackay). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 26 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: LACM, MCZC, MHNG, MZSP, USNM, WEMC.