Aenictus concavus Jaitrong & Yamane, 2013: 178, fig. 4A-C (w.) THAILAND. Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Thailand: Chanthaburi Prov., Pong Nam Ron Dist., Hin Dad Waterfall, 15.v.2008, WJT08-E094 (W. Jaitrong). Primary type depository: TNHM. Secondary type information: Secondary type material: 9 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: SKYC, TNHM.