Primary type information:
Primary type material: holotype worker. Primary type locality: U.S.A.: Utah, Box Elder County, Cedar Creek Junction, nr Kelton Pass, 16.iv.1969 (G.F. Knowlton). Primary type depository: FMNH.
Secondary type information:
Secondary type material: 12 paratype workers, 1 paratype queen. Secondary type locality: 4 paratype workers, 1 paratype queen with same data as holotype, 1 paratype worker with same data as holotype but 1.v.1969, 7 paratype workers with same data as holotype but 5000 ft, 16.iv.1969. Secondary type depositories: FMNH, LACM.