@article{felix_freitas_2021,  title={Richness and distribution of the meliponine fauna (Hymenoptera: Apidae: Meliponini) in the State of Ceará, Brazil},  volume={93},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-3765202120190767},  DOI={10.1590/0001-3765202120190767},  number={3},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={FELIX, JÂNIO A. and FREITAS, BRENO M.},  year={2021},  pages={e20190767} }