Apterostigma turgidum Lattke, 1997: 176, figs. 24, 35, 58, 202, 203 (w.) COLOMBIA. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Colombia: Chocó, 10 km. SW San José del Palmar, Rio Torito, Finca Los Guaduales, 850 m., 1-4.vi.1978 (C. Kugler). Primary type depository: MCZC. Secondary type information: Secondary type material: 3 paratype workers. Secondary type localities: 1 paratype worker with same data, 1 paratype worker Ecuador: Pichincha, 4 km. E Santo Domingo de los Colorados, 520 m., 22.vi.1975, B-304 (S. & J. Peck), 1 paratype worker Panama: Cerro Campana, 950 m., 14-26.ii.1976 (A. Newton). Secondary type depositories: MCZC, MIZA.