Sp. 4. Pseudomyrma maculata .

Worker. - Length 3 lines. Head, antennae, thorax and legs pale ferruginous; a small fuscous spot on the vertex, enclosing the ocelli; the eyes, a stripe down the middle of the metathorax, not reaching the apex, fuscous; the femora above, and the posterior tibiae and tarsi, slightly fuscous; the petiole and first node of the abdomen pale ferruginous; the second node and the abdomen fuscous, and covered with a fine sericeous pile; the extreme apex rufo-testaceous; the apical segment has a number of long fuscous hairs; the head and thorax have a similar fine pile to that on the abdomen.

The habitat of this species is Brazil. In my own Collection.