Leptothorax obturator Wheeler, 1903d: 249, pl. 12, fig. 19 (w.q.m.) U.S.A. (Texas). Nearctic.

Primary type information: Primary type material: syntype workers, syntype queens, syntype males (numbers not stated, “many specimens”). Primary type locality: U.S.A.: Texas, Austin (W.M. Wheeler). Primary type depositories: AMNH, MCZC. Type notes: Wheeler comments, “collected at different times from the abandoned Holcaspis cinerosus galls on the live oaks (Q. virginiana).