Cataulacus flagitiosus

Smith, F., 1861, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace in the Islands of Ceram, Celebes, Ternate, and Gilolo., Journal of the Proceedings of the Linnean Society of London, Zoology 6, pp. 36-48 : 49-50

1. Cataulacus flagitiosus .

C. niger; capite striato, angulis posticis spinosis; thorace spinis duabus acutis elongatis armato; abdomine cordato. Worker. Length 2 1 / 2 lines. Opake-black; the head and thorax above, with a coarse irregular striation, intermixed with a rough granulation, the margins of the head crenulated, the posterior angles acute and slightly produced. Thorax armed posteriorly with two stout diverging spines. Abdomen oblong-cordate, finely and irregularly striated; sprinkled with distant short white erect setae; the nodes of the peduncle rugose.

Hab, Celebes (Tondano).