MENGUAL, X.; THOMPSON, F. C. A taxonomic review of the Palpada ruficeps species group, with the description of a new flower fly from Colombia (Diptera: Syrphidae). Zootaxa, Auckland, New Zealand, v. 1741, n. 1, p. 31–36, 2008. DOI: 10.11646/zootaxa.1741.1.3. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.1741.1.3. Acesso em: 2 may. 2025.