Primary type information:
Primary type material: lectotype worker (by designation of Snelling, 1976: 53). Primary type locality: lectotype Mexico: Zacatecas, Pacheco (W.M. Wheeler). Primary type depository: MHNG.
Secondary type information:
Secondary type material: 1 paralectotype worker. Secondary type locality: same as for lectotype. Secondary type depository: AMNH.