Distribution of: ACanthidium (Canthidium) opacum Balthasar, 1939 BCanthidium (Canthidium) orbiculatum (Lucas, 1857) revalidated name CCanthidium (Canthidium) pseudaurifex Balthasar, 1939 DCanthidium (Canthidium) rufinum Harold, 1867.

 
 
  Part of: Chamorro W, Marin-Armijos D, Asenjo A, Vaz-De-Mello FZ (2019) Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records. ZooKeys 826: 1-343. https://doi.org/10.3897/zookeys.826.26488