Primary type information:
Primary type material: lectotype worker (by designation of Trager, 1984b: 129). Primary type locality: lectotype U.S.A.: Texas, Presidio County, Fresno Canyon, 19.xii.1901 (W.M. Wheeler). Primary type depository: AMNH.
Secondary type information:
Secondary type material: 2 paralectotype workers, 3 paralectotype queens, 3 paralectotype males. Secondary type locality: same as for lectotype. Secondary type depositories: AMNH, MCZC.