Cataulacus insularis

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: 80

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Cataulacus insularis


1. Cataulacus insularis  HNS  .

C. niger; vertice spinis duabus postice armato; alis flavo-hyalinis; metathorace bispinoso; abdomine cordata.

Male. Length 3 lines. Black: head and thorax rugose; the antennae, the eyes, the mandibles, the tibiae and the tarsi, ferruginous; the palpi pale; the eyes very large and prominent; the clypeus produced and broadly truncate in front; the hinder margin of the vertex straight, margined, and having the posterior lateral angles produced into stout acute spines; the outer margins of the spines serrated; beneath are smaller spines at the lower lateral angles; the wings subhyaline and yellowish; the nervures scarcely discernible; the hinder margin of the metathorax slightly emarginate its entire width, with an acute spine at each of the lateral angles. The nodes of the abdomen rugose; the first node oblong-quadrate; the -second nearly quadrate; the abdomen reddish at the base, and, as well as the nodes, thinly sprinkled with erect whitish hairs. Hab. Borneo (Sarawak).