Apterostigma acre Lattke, 1997: 133, figs. 57, 75, 98, 115, 138 (w.q.m.) BRAZIL (São Paulo). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: São Paulo (I.P. Noguiera). Primary type depository: MZSP. Primary type specimen: MZSP0084427. Secondary type information: Secondary type material: 2 paratype workers, 2 paratype queens, 2 paratype males. Secondary type locality: same as for holotype. Secondary type depositories: MCZC, MIZA, MZSP. Secondary type specimens: MZSP0084428 (q.), MZSP0084429 (m.). Type notes: Ulysséa et al., 2025: Table S1, cite holotype worker, 1 paratype queen, 1 paratype male in MZSP.