Male genitalia. A Merodon defectus sp. nov., epandrium, lateral view B Merodon defectus sp. nov., epandrium, ventral view C Merodon serrulatus, epandrium, ventral view D Merodon defectus sp. nov., hypandrium, lateral view E Merodon hirsutus, epandrium, lateral view F Merodon hirsutus, epandrium, ventral view G Merodon hirsutus, hypandrium, lateral view, H Merodon opacus sp. nov., epandrium, lateral view I Merodon opacus sp. nov., epandrium, ventral view J Merodon opacus sp. nov., hypandrium, lateral view. Abbreviations: al–anterior surstyle lobe, bp–basolateral protrusion, c–cercus, l–lingula, pl–posterior surstyle lobe. Scale bar: 0.2 mm.

 
 
  Part of: Vujić A, Likov L, Radenković S, Kočiš Tubić N, Djan M, Šebić A, Pérez-Bañón C, Barkalov A, Hayat R, Rojo S, Andrić A, Ståhls G (2020) Revision of the Merodon serrulatus group (Diptera, Syrphidae). ZooKeys 909: 78-158. https://doi.org/10.3897/zookeys.909.46838