Celyphus ruficollis Macquart (=Atopocelyphus ruficollis), syntype male (MNHN). 17 Abdomen and genitalia, ventrolateral 18 Abdomen, posterior.

 
 
  Part of: Gaimari SD (2017) The dipteran family Celyphidae in the New World, with discussion of and key to world genera (Insecta, Diptera). ZooKeys 711: 113-130. https://doi.org/10.3897/zookeys.711.20840