Notes on South American stingless bees of the genus Scaptotrigona (Hymenoptera: Apidae), Part III: A revised infrageneric classification and new species

This is the third part of a series on various taxonomic matters regarding Neotropical stingless bee genus Scaptotrigona Moure (Apinae: Meliponini). Here, an infrageneric classification established, with Sakagamilla resurrected for tubiba group, while Moure, s.str., encompasses postica group. A key to subgenera presented and five new are established: Eoscaptotrigona Engel, subgenus; Dasytrigona Gymnotrigona Baryorygma Astegotrigona subgenus. The former bipunctata species group considered embody two unrelated groups luteipennis also belong among these. Six described, which would have formerly been included in remainder depilis group: (Eoscaptotrigona) totobi species, from Venezuela Colombia; S. (Gymnotrigona) psile Venezuela; aurantipes nuda Bolivia; stipula Brazil; (Baryorygma) fimbriata Bolivia.