Mesembrius spp., head, frontal view 52 M. copelandi sp. nov. (♂) 53 M. cyanipennis (Bezzi) (♂) 54 M. ingratus (Loew) (♂) 55 M. longipilosus sp. nov. (♂) 56 M. madagascariensis Keiser (♂) 57 M. minor (Bezzi) (♂).

 
 
  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