Primary type information:
Type-material: holotype worker. Type-locality: U.S.A.: New Mexico, 6 mi. N Las Cruces, east side Highway US 85, 15.ix.1951, no. N-341 (A.C. Cole). Type-depository: LACM.
Secondary type information:
Paratype-material: 202 paratype workers. Paratype-locality: 180 paratype workers with same data as holotype, 22 paratype workers with same data as holotype but no. A-232. Paratype-depositories: AMNH, DRIR, FMNH, LACM, MCZC, USNM, MZSP.