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Trigona iridipennis
Stingless bees have a social structure very similar to that of the commercial honey bee, Apis mellifera. They have a queen bee, male drone bees and sterile worker bees. However, in other ways the Stingless bees are very different from commercial honey bees: -- Many species of stingless bees are small, black bees only 4-6 mm long whilst commercial honey bees are about 12mm long and are yellow brown, or dark brown to black in colour. -- Stingless bees mix plant resins into the wax they use to build their nest structures so their nests are usually mid to dark brown in colour. Commercial honey bees build most parts of their nests from pure cream coloured wax.
I think this is a Drone fly. Not sure about the exact id though... :-)
Beautiful picture...