@article{knutson_carvalho_1989, title={Seasonal distribution of a relatively rare and a relatively common species of Thecomyia at Belém, Pará, Brazil (Diptera: Sciomyzidae)}, volume={84}, ISSN={0074-0276}, url={https://doi.org/10.1590/S0074-02761989000800050}, DOI={10.1590/S0074-02761989000800050}, journal={Memórias do Instituto Oswaldo Cruz}, publisher={Instituto Oswaldo Cruz, Ministério da Saúde}, author={Knutson, Lloyd and Carvalho, Claudio José Barros de}, year={1989}, pages={287–289} }