Sp. 5. Pseudomyrma sericata .

Worker.-Length 3.5 lines. Black, thickly covered with fine short silky pubescence; the anterior margin of the face and the mandibles testaceous-yellow; the antennae rufo-testaceous, the flagellum sometimes slightly fuscous above; the legs testaceous, the anterior tibise and tarsi pale: the prothorax and margins of the scutellum rufo-testaceous; the petiole of the abdomen is of the same colour as the prothorax.

This species is also from Brazil. In my own Collection.