Primary type information:
Type-material: holotype worker. Type-locality: U.S.A.: Arizona, Santa Cruz County, Ruby Road, 6.7 mi. W of I-19, 6.iv.1998 (R.A. Johnson & G.C. Snelling). Type-depository: LACM.
Secondary type information:
Paratype-material: paratype workers (number not stated, “numerous”). Paratype-locality: same as for holotype. Paratype-depositories: ASUT, BMNH, CASC, LACM, MCZC, UCDC, USNM.