Ponera inversa

Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London: British Museum : 96-97

48. Ponera inversa . B.M.

Worker. Length 5 lines.-Black: the head longitudinally rugulose; the mandibles large, their inner edge with a row of sharp teeth. Thorax somewhat flattened anteriorly, closely and rather finely punctured, the lateral margins acute; the metathorax narrower and finely rugulose; the legs obscurely rufo-piceous; the anterior tarsi densely clothed beneath with fulvous pubescence. Abdomen oblong subcylindrical, the base truncate; the node incrassate, anteriorly curving forwards over the metathorax, the upper surface nearly oval, shining and finely punctured.

Var. The legs and base of the abdomen castaneous.

Hab. South America (Napo).