Apterostigma robustum constrictum Weber, 1938 junior synonym of current valid taxon Apterostigma robustum Emery, 1896
Apterostigma robustum subsp. constrictum Weber, 1938b: 173 (w.m.) BOLIVIA. Neotropic.
Primary type information: Primary type material: 8 syntype workers, 4 syntype males. Primary type locality: Bolivia: Cavinas Beni, ii.1922 (W.M. Mann). Primary type depositories: MCZC, USNM.
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