Campsosternus is a genus of click beetles in the subfamily Dendrometrinae. The genus is extant but there is at least one described species from the Eocene of the Czech Republic.
Description of some species
There are many species, including: Campsosternus auratus (Drury, 1773) †Campsosternus atavus Deichmüller 1881 a fossil species found in an Eocene lacustrine small diatomite in Kutschlin near Bilin, in the Czech Republic Campsosternus dohrni Westwood 1847 Campsosternus hopei Westwood 1847 Campsosternus stephensi (Hope, 1831) Campsosternus gemma - the Rainbow sheath click beetle (彩虹叩頭蟲 in Chinese), a protected species in Taiwan Campsosternus templetoni Westwood, 1848 (name is a tribute to Robert Templeton (1802–1892), a naturalist, artist and entomologist