Apterostigma angustum Lattke, 1997: 138, figs. 77, 117, 140, 184, 185 (w.) VENEZUELA. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Venezuela: Táchira, Uribante-Caparo, circa de Siberia, 7°50’N, 71°49’W, 1100 m., 28.viii.1988, no. 1201 (J. Lattke). Primary type depository: MIZA. Secondary type information: Secondary type material: 3 paratype workers.. Secondary type locality: same as for holotype. Secondary type depositories: BMNH, MCZC, MIZA, MZSP.