Cerapachys antennatus

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 : 74

1. Cerapachys antennatus .

C. aterrimus, nitidus; antennis brevibus, crassis; thorace oblongo-quadrato; abdomine elongate, nodo quadrate; abdominis segmentis primo et secundo incisura separatis.

Worker, Length 3 1/2 lines. Jet-black, smooth and shining; antennae one-third longer than the head; the scape short and incrassate, clavate; the flagellum incrassate, the joints short and transverse, except the apical one, which is as long as the four preceding joints; the head depressed on each side in front of the eyes; the antenna? inserted at the anterior margin of the head, each at the side of an elevated carina; the mandibles, flagellum and apex of the scape obscurely ferruginous; the posterior margin of the vertex slightly emarginate its entire width, a few scattered minute punctures on the vertex, and a small fossulet in the middle between the eyes." Thorax: oblong-quadrate, with a few scattered punctures above, and a few short erect hairs; the tips of the femora and tarsi, and the apical joints of the latter, pale rufo-testaceous; the basal joint of the anterior tarsi bent; the calcaria white. Abdomen elongate; the peduncle quadrate, a little narrower than the first segment of the abdomen, which has the sides slightly rounded; a deep strangulation between the first and second segments; the apex obliquely truncated, the margins of the truncation finely denticulated.

Hab. Borneo (Sarawak).