ENGEL, Michael S.; PRADO, Sara G. First record of the cleptoparasitic bee genus Sphecodes from Puerto Rico (Hymenoptera: Halictidae). Journal of Melittology, [S. l.], n. 39, p. 1–6, 2014. DOI: 10.17161/jom.v0i39.4781. Disponível em: https://journals.ku.edu/melittology/article/view/4781. Acesso em: 13 mar. 2025.