@article{penny_1981,  title={Neuroptera of the Amazon Basin. Part 4. Sialidae},  volume={11},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921981114843},  DOI={10.1590/1809-43921981114843},  number={4},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Penny, Norman D},  year={1981},  month={Dec},  pages={843–846} }