A key to Camponotus Mayr of Australia. Author McArthur, A. J. text Memoirs of the American Entomological Institute Editor Snelling, R. R. Editor Fisher, B. L. Editor Ward, P. S. 2007 Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. 80 290 351 http://hdl.handle.net/10199/15375 journal article 21285 Camponotus postcornutus Clark Worker. HW 2.0 - 4.9; HL 1.9 - 4.2; PW 1.7 - 3.2. Red brown, gaster darker; glossy; posterior corners of head in larger workers taper rearward into blunt protuberances; mesosoma dorsum evenly convex; angle rounded; front and under head, mesosoma, petiole, gaster and coxae with sparse reddish, long erect setae; polymorphic. Major worker. Medial section of anterior clypeal margin mostly straight, feebly projecting anteriorly with broad lateral angles, carina distinct; node summit moderately sharp. Minor worker. Anterior clypeal margin projecting feebly, clypeal carina sharp; PD / D about 2; node summit bluntly rounded.