6. Myrmica vexator ^HNS.

M. pallide flavo-testacea, laevis, nitidissima; abdomine apice fusco-nigro.

Worker. Length 1 line. Honey-yellow, very smooth and shining; the flagellum slightly fuscous towards the apex; the eyes small and placed forwards at the sides of the head; the metathorax not spined; the abdomen fuscous with the base pale.

Hab. Ternati.

This species resembles the House-ant, M. molesta ^HNS; but it differs in several particulars from that species; its head is much larger, and it is entirely smooth and shining.