Primary type information:
Primary type material: holotype major worker. Primary type locality: U.S.A.: Arizona, Baboquivari Mts, Baboquivari Canyon, Forestry Cabin (3500ft), 21.vii.1951 (W.S. Creighton). Primary type depository: AMNH.
Secondary type information:
Secondary type material: paratype major and minor workers (numbers not stated), 1 paratype queen, 5 paratype males (“two nest series”). Secondary type locality: same as for holotype. Secondary type depositories: AMNH, LACM.