Cheilosia venosa Loew. A Male head, lateral view B Antenna of male, lateral view C Antenna of female, lateral view D Female head, lateral view E Female head dorsal view F–H male genitalia, lateral, from left to right: F Cercus+surstylus G Superior lobe H Aedeagal complex I Male, wing.

 
 
  Part of: Ståhls G, Barkalov AV (2017) Taxonomic review of the Palaearctic species of the Cheilosia caerulescens-group (Diptera, Syrphidae). ZooKeys 662: 137-171. https://doi.org/10.3897/zookeys.662.11267