Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key. Author Smith, F. text Journal of the Proceedings of the Linnean Society of London, Zoology 1859 3 132 158 http://antbase.org/ants/publications/10342/10342.pdf journal article 10342 03D4C4E8-74F9-42F2-8FD1-00A6DC22903A 2. Crematogaster elegans . C. pallide rufo-testaeeus; abdomine nigerrimo nitido; thorace bispinoso. Worker. Length 3 / 4 line. Entirely pale rufo-testaceous, excepting the eyes and abdomen which are jet black; the nodes of the petiole pale, smooth, and shining. Head about the same width as the abdomen. The lateral angles of the anterior margin of the prothorax acute, the metathorax armed with two long acute spines. Abdomen heart-shaped, its apex acute. Hab. Aru .