Figure 1 from: Vujic A, Radenkovic S, Trifunov S, Nikolić T (2013) Key for European species of the Cheilosia proxima group (Diptera, Syrphidae) with a description of a new species. ZooKeys 269: 33-50. https://doi.org/10.3897/zookeys.269.4619 - Vujic, Ante (2013)