Monotypic bee genera

The bee subfamily Alocandreninae contains only one genus and one species, Alocandrena porteri, which is found in Peru. It seems to be restricted to the western side of the Andes Mountains.

Protandrena (Anthemurgus) passiflorae, the passionflower bee, is a small (7.5-8.5 mm long) black bee that occurs from central Texas to North Carolina and north to Illinois.

Cleptotrigona is a monotypic genus of cleptoparasitic stingless bee, represented by its only species Cleptotrigona cubiceps, sometimes referred to as the African robber bee. It is found in Africa.

Paratrigonoides is a monotypic genus of bees belonging to the family Apidae, containing a single species, Paratrigonoides mayri.