Diamella is a genus of beetle in the family Carabidae. It was originally described by Arnoà ¡t JedliÃÂka in 1952 as Dianella. Hongliang Shi, Hongzhang Zhou, and Hongbin Liang proposed Diamella as a replacement name in 2013, since JedliÃÂka's Dianella was a junior homonym of the gastropod genus Dianella, described by Gerard Pierre Laurent Kalshoven Gude in 1913.
Originally monotypic, Diamella now contains five species in total: