The Neotropical histerid genus Ebonius Lewis, 1885 is revised. Characters are provided for the recognition of the genus and its species. All three species are illustrated and keyed and information about the collection methods is given. Ebonius can be recognized by the "U"-shaped carinal stria, sutural region of elytra concave, first abdominal sternum stria present anteriorly and laterally, and middle region of pygidium with a transverse elevation.