@article{lázzari_1992,  title={Characterization and discrimination of three Rhopalosiphum species (Homoptera: Aphididae) based on isozymes},  volume={9},  ISSN={0101-8175},  url={https://doi.org/10.1590/S0101-81751992000100015},  DOI={10.1590/S0101-81751992000100015},  number={1-2},  journal={Revista Brasileira de Zoologia},  publisher={Sociedade Brasileira de Zoologia},  author={Lázzari, Sonia M. N.},  year={1992},  pages={139–151} }