Myrmica (Tetramorium) exigua Buckley, 1867: 342 (w.q.) U.S.A. (District of Columbia). Nearctic.

Primary type information: Primary type material: syntype workers, syntype queens (numbers not stated). Primary type locality: U.S.A.: vic. Washington, D.C. (S.B. Buckley). Primary type depository: unknown (no material known to exist).