5. Formica leucophaea ^HNS.

F. nigra, dense cinerea, pilosa; thorace postice attenuato; squama oblongo-ovata.

Worker. Length 3 lines. Black and densely covered with a fine silky cinereous pile; antennae nearly as long as the body, slender, and filiform, the flagellum scarcely thickened towards the apex; eyes rather large and prominent, and situated high on the sides of the head; head oblong, narrowed behind the eyes. Thorax oblong, narrowed and of equal width behind the prothorax; legs very obscurely reddish, with the apical joints of the tarsi rufo-testaceous. Abdomen ovate, the apical margins of the segments testaceous; the scale of the peduncle narrow, small, and pointed above.

Hab. Celebes (Tondano).