Apterostigma robustum tic Weber, 1938 junior synonym of current valid taxon Apterostigma robustum Emery, 1896
Apterostigma robustum subsp. tic Weber, 1938b: 170, fig. 7 (w.q.m.) COSTA RICA. Neotropic.
Primary type information: Primary type material: 30 syntype workers, 2 syntype queens, 1 syntype male. Primary type locality: Costa Rica: Santa Clara Prov., Hamburg Farm, 1924, and i.1925 (F. Neverman). Primary type depository: MCZC (perhaps also in AMNH).