Iridomyrmex pruinosus var. testaceus Cole, 1936b: 121 (w.q.) U.S.A. (Idaho). Nearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: U.S.A.: Idaho, Twin Falls (A.C. Cole). Primary type depository: LACM. Secondary type information: Secondary type material: 49 paratype workers, 1 paratype queen. Secondary type locality: same as for holotype. Secondary type depositories: LACM, MCZC, OSUC, USNM Type notes: Shattuck, 1994: 96, cites 10 worker paratypes (4 LACM, 2 MCZC, 4 USNM).