Trigona (bee)
（重定向自Trigona）
Trigona is the largest genus of stingless bees, formerly including many more subgenera than the present assemblage; many of these former subgenera have been elevated to generic status. There are approximately 150 species presently included in the genus, in 11 subgenera. They differ from those groups now excluded in only minor structural details, primarily of the hind leg.