WILLE, A. Notes on the morphology of the musculature of the salivary syringe and neck region of bees. Revista de Biología Tropical, [S. l.], v. 18, n. 1-2, p. 33–51, 1970. DOI: 10.15517/rev.biol.trop.v18i1-2.28031. Disponível em: https://www.revistas.ucr.ac.cr/index.php/rbt/article/view/28031. Acesso em: 14 may. 2025.