Camponotus tristis Clark ^HNS

Worker. HW 1.7 - 3.2; HL 1.8 - 2.8; PW 1.3 - 1.8. Black, legs and antennae dark brown; finely punctate; matte; <6 erect setae on mesosoma, none under head, on scapes nor tibiae; pronotum margined front and sides; mesosoma dorsum evenly flatly convex. Major worker. Head sides convex tapering forward, widest behind eyes, feebly truncate in lateral view; vertex feebly concave; anterior clypeal margin projecting, deeply concave in middle, bounded by teeth; node summit sharp. Minor worker. Head sides convex, widest at eye level; vertex flat; eyes small; anterior clypeal margin projecting, crenulate in middle; frontal carinae narrow.