@article{ramos_2014,  title={Taxonomic revision of Parasarus (Hymenoptera: Apidae s.l.: Protandrenini), a South American genus of bees},  volume={31},  ISSN={1984-4670},  url={https://doi.org/10.1590/S1984-46702014000500011},  DOI={10.1590/S1984-46702014000500011},  number={5},  journal={Zoologia (Curitiba)},  publisher={Sociedade Brasileira de Zoologia},  author={Ramos, Kelli dos Santos},  year={2014},  month={Oct},  pages={503–515} }