Primary type information:
Type-material: holotype worker. Type-locality: U.S.A.: Arizona: Pima County: Baboquivari Mountains, Brown Cañon, 1220 m, 19.ix.1951, in Quercus emoryi, #245 (W.S. Creighton). Type-depository: LACM. Type-specimen: LACMENT323216 (middle specimen on pin).
Secondary type information:
Paratype-material: 8 paratype workers, 1 paratype dealate queen. Paratype-locality: 1 paratype worker (top specimen on pin), 1 paratype dealate queen (bottom specimen on pin) with same data as holotype (on same pin as holotype); 7 paratype workers with same data as holotype. Paratype-depositories and specimens: FMNH: FMNHINS0000115817 (workers); LACM: LACMENT323216 (worker, queen), CASENT0172599 (workers).