Ačanski, Jelena, et al. “An Assessment of New Character in Hoverfly Species Delimitation Using Linear and Geometric Morphometrics – Genus Merodon Meigen, 1803 (Diptera: Syrphidae) As a Case Study”. European Journal of Taxonomy, vol. 910, no. 1, Dec. 2023, pp. 98–114, doi:10.5852/ejt.2023.910.2363.