Worker. HW 1.2 - 2.0; HL 1.30 - 2.0; PW 1.05 - 1.40. Mesosoma bright red, legs lighter, head and gaster black or dark brown; glossy; dorsum of mesosoma evenly convex; declivity mostly concave; plentiful erect long setae,> 20 on mesosoma (more for minor workers), flat-lying on scapes and tibiae; pronotum margined in front; node summit sharp. Major worker. Head sides mostly straight, parallel; vertex straight; forehead swollen; anterior clypeal margin projecting, median section concave, bounded by two teeth. Minor worker. Head sides feebly convex, tapering forward, widest at eye level; vertex, straight to concave; anterior clypeal margin wide, projecting, convex.
