Apterostigma depressum Lattke, 1997: 19, 43, 55, 196 (w.) ECUADOR. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Ecuador: Pastaza, 25 km. N Puyo, 1000 m., 13.vii.1976 (S. & J. Peck). Primary type depository: MCZC. Secondary type information: Secondary type material: 1 paratype worker. Secondary type locality: Ecuador: Napo, 20 km. S Tena, 600 m., 11.vii.1976 (S. & J. Peck). Secondary type depository: MCZC.