86, 87 Heads in frontal view: 86 P. flavofascium female (Brazil MZUSP) 87 P. surinamensis female (paratype) 88, 89 Heads in lateral view: 88 P. flavofascium female (Brazil MZUSP) 89 P. surinamensis female (paratype).

 
 
  Part of: Reemer M, Skevington JH, Kelso S (2019) Revision of the Neotropical hoverfly genus Peradon Reemer (Diptera, Syrphidae, Microdontinae). ZooKeys 896: 1-93. https://doi.org/10.3897/zookeys.896.36493