80. Formica festina ^HNS. B.M.

Female. Length 9-10 lines.-Black and shining; thorax beneath, the metathorax, legs and petiole of the abdomen pale ferruginous; the abdomen piceous beneath. Head oblongquadrate, the mandibles and anterior margin of the face rufopiceous; the flagellum fulvous. Thorax: beneath, the sides, the metathorax and legs pale ferruginous; the scale subovate and emarginate above; the apical margins of the segments of the abdomen rufo-piceous; beneath entirely rufo-testaceous.

Hab. Borneo (Sarawak); Java; China.

Closely resembling the Formica ligniperda ^HNS; apparently the exotic form of that species.