Sp. 10. Pseudomyrma testacea.

Tetraponera testacea, Smith, Ann. and Mag. Nat. Hist., 2nd Ser. ix. 45.

Female. - Length lines. Testaceous, smooth and shining; the head elongate, truncate behind, slightly emarginate at the vertex; a shallow impressed line running from the anterior stemma to the insertion of the antennae, where it terminates in a deep sulcation, carinate at its sides; the eyes black, and elongate-ovate; the mandibles ferruginous, roughly channelled longitudinally, with irregular striations, the teeth black. Thorax elongate-ovate, the pro- and metathorax rounded, the meso-thorax fusco-testaceous above; the whole very smooth and shining. Abdomen: the basal segment clavate, the second globose, the third slightly constricted, the whole very smooth and shining,

Hab. South America (Napo).

In the British Museum.