Most species are neotropical, but there are a few in North America and one each in Europe and Japan. A key to the subgenera of Clinidium is available here . On the pronotum, the paramedian grooves are replaced by basal impressions and discal strioles. The elytra have their striation reduced to 5 or less. The eyes and hind wings are reduced.
Most species have two tibial spurs on the middle or hind legs.
Dorsal aspect of head, pronotum, and elytra. References Bell, R. T. and J. R. Bell. Bell, R. T. and J. R. Bell. Title Illustration Clinidium baldufi , Mississippi, U.S.A. Photograph copyright 1997, David R. Maddison. David Maddison and Wayne Maddison.