Ricarte, Antonio, Zorica Nedeljković, Javier Quinto, and María Ángeles Marcos-García. “The Genus Ferdinandea Rondani, 1844 (Diptera, Syrphidae) in the Iberian Peninsula: First Records and New Breeding Sites”. Journal of the Entomological Research Society 12, no. 3 (November 30, 2010): 57–69. Accessed July 12, 2025. https://www.entomol.org/journal/index.php/JERS/article/view/256.