4. Trigona nitidiventris ^HNS.

T. nigra; alis subhyalinis, coxis et unguibus pallide ferrugineis; abdomine supra nitido, nigro, subtus pallide testaceo.

Worker. Length 3 1/2 lines. Black: the extreme base of the scape ferruginous; the wings subhyaline and iridescent, slightly fuscous towards their base, the nervures testaceous; the margins of the thorax and the scutellum with ochraceous pubescence; the coxae and clawjoint of the tarsi rufo-testaceous. Abdomen shining black, its extreme base, and beneath entirely, pale testaceous. Hab. Malacca (Mount Ophir).