Primary type information:
Type-material: holotype worker. Type-locality: Mexico: Coahuila, desert nr La Rosa, 5.xi.1942 and 8.xi.1942 (E. Buren). Type-depository: LACM.
Secondary type information:
Paratype-material: 58 paratype workers. Paratype-locality: same as for holotype. Paratype-depositories: AMNH, LACM, USNM, MZSP.
Type notes:
Buren does not specify the collection date of the holotype.