@article{guillermo-ferreira_del-claro_2011,  title={Resource Defense Polygyny by Hetaerina rosea Selys (Odonata: Calopterygidae): Influence of Age and Wing Pigmentation},  volume={40},  ISSN={1519-566X},  url={https://doi.org/10.1590/S1519-566X2011000100011},  DOI={10.1590/S1519-566X2011000100011},  number={1},  journal={Neotropical Entomology},  publisher={Sociedade Entomológica do Brasil},  author={Guillermo-Ferreira, R and Del-Claro, K},  year={2011},  month={Jan},  pages={78–84} }