Primary type information:
Type-material: holotype worker. Type-locality: Mexico: Chihuahua, 55 km south of Parral, 1770 m, 2.v.1953, in Quercus grisea (W.S. Creighton). Type-depository: LACM. Type-specimen: LACMENT323355 (bottom specimen on pin).
Secondary type information:
Paratype-material: 13 paratype workers, 9 paratype males. Paratype-locality: 1 paratype worker, 1 paratype male with same data as holotype (on same pin as holotype); 12 paratype workers, 8 paratype males with same data as holotype. Paratype-depositories and specimens: LACM: LACMENT323355 (worker, male; middle and top specimens on same pin as holotype), LACMENT323351 (worker, males), LACMENT323353 (workers, male), LACMENT323356 (workers, male); MCZC: LACMENT323352 (workers, male); UCDC: LACMENT323354 (worker, males); USNM: LACMENT323357 (workers, male).