@article{SheffieldVilhelmsenBakker2021,
  author    = {Cory S. Sheffield and Lars Vilhelmsen and Frederique Bakker},
  title     = {Taxonomy of the New World bee genus Agapostemon Gu{\´e}rin-M{\´e}neville - new names and synonymies (Hymenoptera: Halictidae)},
  journal   = {European journal of taxonomy},
  volume    = {2021},
  number    = {751},
  pages     = {1 -- 23},
  doi       = {10.5852/ejt.2021.751.1375},
  year      = {2021},
}