Camponotus cinereus amperei ^HNS Forel

Worker. HW 1.3 - 2.2; HL 1.4 - 2.25; PW 1.3 - 1.6. Black, legs slightly lighter, mandibles partly red; pronotum margined in front; a few erect setae on mesosoma, none under head, flat-lying on scape and tibia. Major worker. Head sides convex; anterior clypeal margin median section feebly concave. Minor worker. Head sides straight, nearly parallel, slightly tapering to front; vertex nearly flat; anterior clypeal margin median section feebly convex crenulated; node summit convex.