Crematogaster obscurus

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: 76

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Crematogaster obscurus


4. Crematogaster obscurus  HNS  .

C. testaceus, laevis et nitidus; thorace strangulate; metathorace bispinoso.

Worker. Length 1 1/4 line. Dull testaceous; the base of the scape and of the flagellum, the clypeus and mandibles, pale; the head-smooth and shining. Thorax: rounded in front, with a central longitudinal channel; deeply strangulated in the middle; the metathorax somewhat quadrate, with the posterior lateral angles produced into short spines; the legs with the apex of the joints, and the tarsi, pale testaceous. Abdomen heart-shaped; the basal node of the peduncle flattened in front, the narrow end above.

Hab. Borneo (Sarawak).