Crematogaster brunneus

Smith, F., 1857, Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace., Journal of the Proceedings of the Linnean Society of London, Zoology 2, pp. 42-88: 75

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Crematogaster brunneus


2. Crematogaster brunneus  HNS  .

C. pallide castaneo-rufus, laevis nitidusque; thorace spinis duabus acutis armato.

Worker. Length 2 lines. Reddish-brown, or castaneous, varying a little in colour; head smooth and shining, wider than the thorax, about the same width as the abdomen, slightly emarginate at the vertex, and more deeply coloured. Thorax: the disk concave and finely striated longitudinally; the metathorax deeply concave and furnished on each side with a stout acute spine; the legs, with the tips of the joints and the tarsi, pale testaceous. Abdomen: heartshaped, smooth and shining; the first node heart-shaped, flattened above; the second node globose, with two tubercles above.

Worker minor. About one-third smaller, and of a pale testaceous colour; the abdomen darker at the apex.

Hab. Borneo (Sarawak).