Figure 12 from: Vujić A, Radenković S, Likov L (2018) Revision of the Palaearctic species of the Merodon desuturinus group (Diptera, Syrphidae). ZooKeys 771: 105-138. https://doi.org/10.3897/zookeys.771.20481

Figure 12 Merodon murorum male genitalia. A Epandrium, lateral view B Epandrium, ventral view C Part of hypandrium, ventral view D Hypandrium, lateral view, lateral view; ag-apical globule, al-anterior surstyle lobe, pl-posterior surstyle lobe, c-cercus, s-lateral sclerite of aedeagus, it-inner thorn on medial part of surstylus, dp-distal prolongation on anterior surstyle lobe, vr-ventral ridge of surstylus, t-theca. Scale bar: 0.2 mm.