Cidnopus pilosus is a species of click beetle belonging to the family Elateridae subfamily Dendrometrinae. This beetle is present in most of Europe, in the East Palearctic ecozone and in the Near East. The larvae mainly feed on roots of Poaceae species. The adults grow up to 9–13 millimetres (0.35–0.51 in) long and can mostly be encountered from April through June in meadows or hedge rows. The main host-plants are Rosaceae, Poaceae and Apiaceae species, as Crataegus and Heracleum species, etc.