Oxytrigona Cockerell, 1917

Oxytrigona Cockerell, 1917: 124 (first described as a subgenus of Trigona Jurine, 1807). Type species: Trigona flaveola mediorufa Cockerell, 1913 by original designation.

Diagnosis. Species in the genus can be readily recognized by the wide head, with the distance between inner orbits longer than the eye length; clypeus about twice as wide as long; epistomal suture depressed ventral to tentorial pit level; malar space relatively long, about as long as 1.5 × the diameter of F3; distance between antennal sockets shorter than socket diameter; and keirotrichiate zone on posterior surface of metatibia wide, about twice as wide as the dorsal glabrous area.