Primary type information:
Type-material: syntype workers (number not stated). Type-locality: U.S.A.: Texas, Presidio County, from S end of Fresno Cañon N through Alamito to San Esteban, a few mi. S Marfa, 4000-5000 ft, 19.xii.1901 (W.M. Wheeler), 1 worker New Mexico, Mesilla Park (T.D.A. Cockerell). Type-depositories: AMNH, LACM, MCZC.