Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. Author Smith, F. text 1858 British Museum London http://antbase.org/ants/publications/8127/8127.pdf book 8127 C86CFDBF-61D9-48EE-9C2E-325FC0462B10 11. Atta bellicosa . B.M. Worker. Length 3 lines.-Ferruginous and shining: head very large, deeply emarginate behind, and with a central longitudinal channel; the clypeus smooth and shining; the face longitudinally striated anteriorly, the head behind transversely so; the mandibles very stout, their inner margins smooth and black, with a single notch at their apex, striated at their base and apex, and punctured in the midddle. Thorax, legs and base of the abdomen rather paler than the head; the former rounded in front, narrowed behind, and deeply strangulated between the meso- and metathorax, the latter armed with two acute spines. Worker minor.-Only differs in being smaller, in having the mandibles toothed on their inner edge, in the head being smooth behind, and in being altogether of a paler colour. Hab. Birmah.