Worker. Length 4 lines.-Jet-black, highly polished and impunctate: the tibiae, tarsi, antennae and mandibles ferruginous, the antennae more or less dusky; the mandibles with seven or eight fine teeth, and very smooth and shining. Thorax elongate; the metathorax obliquely truncate, the sides finely striated. Abdomen: a deep strangulation between the first and second segments, the apex rufo-piceous; the node of the peduncle incrassate, elevated to the height of the first segment, and rounded above; the abdomen thinly sprinkled with pale hairs.
Hab. Brazil (Ega.) (Coll. H. W. Bates.)
