Camponotus mackayensis Forel ^HNS

Worker. HW 1.00 - 1.15; HL 1.00 - 1.70; PW 0.80 - 1.05. Redbrown, pronotum lighter than mesonotum; propodeal dorsum a shallow concavity; long erect setae on most surfaces including scape. Major worker. Head sides straight; vertex straight, anterior half coarsely punctate, clypeus oval, widest at truncation, anterior margin narrow; node summit blunt; metanotum a wide shallow groove. Minor worker. Head sides anterior half tapering forward; vertex slightly convex between widely rounded corners; anterior clypeal margin projecting, convex; propodeal dorsum straight, angle well rounded nearly 150°; metanotum a distinct vee; propodeal dorsum anterior inclined upward to a ridge then shallowly concave, then a wide angle; node summit rounded.