15. Pseudomyrma flavidula ^HNS.

Worker. Length 2 3/4 lines.-Entirely smooth and shining yellow: the eyes and tips of the mandibles black; the head broader than in P. pallida ^HNS, which it much resembles; a very faintly impressed line runs from the anterior stemma to the clypeus, which has a deeper impressed pit in the middle. Thorax strangulated in the middle. Abdomen covered with a fine silky pile; more or less fuscous at the apex, and with a fuscous spot, more or less distinct, on each side at the base.

Hab. Brazil (Santarem).