Aguado-Aranda, P., A. Ricarte, Z. Nedelković, and . Ángeles Marcos-García. “An Overlooked Case for a Century: Taxonomy and Systematics of a New Iberian Species of Eumerus Meigen, 1822 (Diptera, Syrphidae)”. European Journal of Taxonomy, vol. 817, no. 1, Apr. 2022, pp. 35-57, doi:10.5852/ejt.2022.817.1761.