Notes on the stingless bee genera Scaura and Geotrigona (Hymenoptera: Apidae)

Brief notes are presented on the classifications of Scaura Schwarz and Geotrigona Moure.  A new subgeneric system is proposed for Scaura in which three subgenera are recognized: Scaura Schwarz, s.str.; Scauracea Engel, new subgenus; Schwarzula Moure.  Likewise, a new subgenus is proposed in Geotrigona as Chthonotrigona Engel, new subgenus