Camponotus extensus Mayr

McArthur, A. J., 2007, A key to Camponotus Mayr of Australia., Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. (Memoirs of the American Entomological Institute 80), pp. 290-351 : 328

Camponotus extensus Mayr

Worker. HW 1.1 - 2.2; HL 1.6 - 2.7; PW 0.95 - 1.25. Brown; finely punctate, more so in front view, glossy; scapes and tibiae with plentiful short setae raised to about 45°; mesosoma long (particularly propodeum) with about 20 erect setae varying in length from half EL to EL, plentiful short erect setae under head; legs slightly lighter. Major worker. Head is much longer than wide, sides convex and tapering strongly to front; vertex straight in front view; anterior clypeal margin median section bounded by square corners widely concave between; node summit blunt; PD / D about 3.5. Minor worker. Head sides convex, parallel, tapering feebly to rear (more so in smallest workers); vertex convex; anterior clypeal margin median section bounded by rounded corners, straight between; node summit convex; PD / D about 4.