Curculionidae subfamily Apioninae of North and Central America with reviews of the World genera of Apioninae and World subgenera of Apion Herbst (Coleoptera).

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith