Primary type information:
Type-material: holotype worker. Type-locality: Mexico: D.F., Ixtapan de La Sal, 1829 m., 2.xi.1976 (E.S. Ross). Type-depository: CASC.
Secondary type information:
Paratype-material: 2 paratype workers. Paratype-locality: same as for holotype. Paratype-depository: CASC.