Worker. HW 1.5 - 2.1; HL 1.6 - 2.3; PW 1.1 - 1.3. Dark brown; glossy; metanotal spiracles well below dorsum; erect setae mostly confined to gaster. Major worker. Head sides straight, nearly parallel; clypeal median portion wide, anterior margin projecting, bounded laterally with angles. Minor worker. Head sides straight, tapering forward, clypeal median portion wide, sides tapering rearward, bounded laterally with angles, feebly concave between.
