Head, frontal and lateral view S. nr umbrifera (Walker) (40, 41 ♂ 42, 43 ♀).

 
 
  Part of: De Meyer M, Goergen G, Jordaens K (2020) Taxonomic revision of the Afrotropical hover fly genus Senaspis Macquart (Diptera, Syrphidae). ZooKeys 1003: 83-160. https://doi.org/10.3897/zookeys.1003.56557