7. Pseudomyrma nigriceps ^HNS. B.M.

Pseudomyrma nigriceps, Smith ^HNS, Trans. Ent. Soc. new ser. iii. 159. 7[[worker]].

Hab. Brazil (Santarem).

This species is 2 1/2 Unes long, of a ferruginous colour, with the head black, and the apical segments of the abdomen fuscous; the thorax and first node of the peduncle flattened above, the lateral margins slightly raised, forming sharp carinae; the mouth and antennae red, the latter fuscous towards the apex above.