Solenopsis pusillignis Trager, 1991: 194, figs. 40, 41, 44, 45, 84 (w.q.) BRAZIL (Mato Grosso). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: Mato Grosso, Curiabá, Federal University campus (J.C. Trager). Primary type depository: MZSP. Secondary type information: Secondary type material: 18 paratype workers, 2 paratype queens. Secondary type locality: same as for holotype. Secondary type depositories: AMNH, BMNH, FSCG, LACM, MCZC, MZSP.