Figure 2 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

Figure 2 - Gonostylus (z indicates the dorsal margin of gonostylus). A–B Cheilosia barbafacies sp. n.: A left gonostylus, left lateral view B right gonostylus, right lateral view C–D Cheilosia pascuorum: C left gonostylus, left lateral view D right gonostylus, right lateral view. Scale in mm.