Formica flavitarsus

Smith, F., 1859, Catalogue of hymenopterous insects collected by Mr. A. R. Wallace at the Islands of Aru and Key., Journal of the Proceedings of the Linnean Society of London, Zoology 3, pp. 132-158 : 136

4. Formica flavitarsus .

F. nigra, elongata et gracilis; thorace postice compresso, pedibus elongatis, tarsis flavis.

Worker. Length 4 lines. Black and sub-opake; head elongate, narrowed behind, the clypeus truncate anteriorly, the mandibles pale ferruginous; antennae elongate and slender, the flagellum filiform and pale rufo-testaceous; the thorax and legs elongate, the latter slender with their tarsi pale rufo-testaceous. Abdomen ovate, the scale of the petiole incrassate and slightly notched above.

Hab. Aru.