Myrmecocystus (Eremnocystus) arenarius Snelling, 1982b: 71, figs. 1-6, 13, 15, 19, 21, 23 (w.q.m.) U.S.A. (Nevada). Nearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: U.S.A.: Nevada, Churchill County, E end Blow Sand Mts, 4600 ft, (T 15N, R 30E), 14.iii.1979 (R.C. Bechtel & R.W. Rust). Primary type depository: LACM. Secondary type information: Secondary type material: 384 paratype workers, 12 paratype queens, 22 paratype males. Secondary type locality: 211 paratype workers, 8 paratype queens, 1 paratype males with same data as holotype, 173 paratype workers, 4 paratype queens, 11 paratype males with same data as holotype but 4.iv.1979 (R.C. Bechtel & R.L. Bradley). Secondary type depositories: AMNH, DRIR, LACM, MCZC, USNM.