@article{rocha_caetano_2003,  title={Ultramorphology and histology of the Polistes versicolor (Oliver) (Vespidae) thorax salivary gland compared with other Hymenoptera},  volume={32},  ISSN={1519-566X},  url={https://doi.org/10.1590/S1519-566X2003000400008},  DOI={10.1590/S1519-566X2003000400008},  number={4},  journal={Neotropical Entomology},  publisher={Sociedade Entomológica do Brasil},  author={Rocha, Thalita and Caetano, Flávio H.},  year={2003},  month={Oct},  pages={585–590} }