Leptothorax (Myrafant) bristoli Mackay, 2000: 326, figs. 28, 96 (w.) U.S.A. (Texas). Nearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: U.S.A.: Texas, Hudspeth County, 25 km. SW Van Horn, Indio Mt Research Station, 7.vii.1991, #14518 (W. Mackay). Primary type depository: MCZC. Secondary type information: Secondary type material: 1 paratype worker. Secondary type locality: same as for holotype. Secondary type depository: MCZC.