Mesembrius spp., head, frontal view 46 M. arcuatus sp. nov. (♂) 47 M. caffer (Loew) (nominal morph) (♂) 48 M. caffer (Loew) (spined morph) (♂) 49 M. ctenifer Hull syn. nov. (♂) 50 M. capensis (Macquart) (♂) 51 M. chapini Curran (♂).

 
 
  Part of: Jordaens K, Goergen G, Skevington JH, Kelso S, De Meyer M (2021) Revision of the Afrotropical species of the hover fly genus Mesembrius Rondani (Diptera, Syrphidae) using morphological and molecular data. ZooKeys 1046: 1-141. https://doi.org/10.3897/zookeys.1046.57052