@article{rocha_pompolo_1998,  title={Karyotypes and heterochromatin variation (C-bands) in Melipona species (Hymenoptera, Apidae, Meliponinae)},  volume={21},  ISSN={1415-4757},  url={https://doi.org/10.1590/S1415-47571998000100008},  DOI={10.1590/S1415-47571998000100008},  number={1},  journal={Genetics and Molecular Biology},  publisher={Sociedade Brasileira de Genética},  author={Rocha, Marla Piumbini and Pompolo, Silvia das Graças},  year={1998},  month={Mar},  pages={41–45} }