Formica consanguinea

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 : 36

3. Formica consanguinea .

F. capite abdomineque nigro-fuscis; antermis, thorace, abdomine, squamula pedibusque ferrugineis.

Worker. Length 3 lines. Head black, with a slight ferruginous tinge and a prismatic lustre in various lights; before the insertion of the antennae it is red as well as the mandibles and antennae; the latter slender and a little longer than the thorax. The thorax narrow, and much compressed behind; and, as well as the legs, of a bright pale ferruginous. Abdomen ovate, fuscous and thinly sprinkled with pale hairs; the scale of the peduncle ferruginous, small, narrow, upright, with the superior margin rounded.

Hab. Celebes (Tondano).

This is probably the worker minor of F. virulens .