Crematogaster (Crematogaster) isolata Buren, 1968b: 106 (w.) U.S.A. (Texas, Arizona, New Mexico). Nearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: U.S.A.: Texas, Davis Mts, a few mi. N McDonald Observatory, 14.x.1959 (W.F. Buren). Primary type depository: LACM. Primary type specimen: LACMENT164496. Secondary type information: Secondary type material: paratype workers (number not stated). Secondary type localities: “a number” of paratypes with same data as holotype, 10 paratypes Texas, Davis Mts, Limpia Canyon, 5500 ft (L.F. Byars), paratypes U.S.A.: Arizona, Santa Rita Mts, Madera Canyon, 21.vi.1951 (W.S. Creighton), Santa Rita Mts, Sweetwater, 2.vii.1951 (W.S. Creighton), paratypes Arizona, Huachuca Mts, Garden Canyon, 5800 ft (W.S. Creighton), paratypes Arizona, Santa Cruz County, Canelo Pass, 28.viii.1951 (W.S. Creighton), paratypes Arizona, Chiricahua Nat. Monument, 20.ix.1951 (W.S. Creighton), “1 specimen” Arizona, Guadalupe Mts (L.F. Byars), “1 specimen” Arizona, Huachuca Mts (L.F. Byars), paratypes U.S.A.: New Mexico, Animas Mts, San Luis Pass, 5400 ft, 28.ix.1951 (W.S. Creighton). Secondary type depositories: CASC, LACM, MCZC, USNM, MZSP. Type notes: Holotype depository LACM, not USNM (Ward & Blaimer, 2022: 930).