Formica pilosa

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 : 54

7. Formica pilosa .

F. nigra, dense sericea pilosa; squama ovata. Worker. Length 3 lines. Black, covered with a fine cinereous pile: the head large, much wider than the thorax; eyes ovate, placed laterally rather high on the head; the anterior part of the face truncate, the sides produced beyond the anterior margin of the clypeus; a faintly impressed line above the base of the clypeus, which terminates in a shallow fovea on the front. Thorax compressed posteriorly. Abdomen ovate, with a short pale pubesceuce; the scale narrow, incrassate, and terminating above in a blunt point.

Hab. Borneo (Sarawak).