In this study, specimens of four species of the family Elateridae (Coleoptera) were collected from Central Anatolian region during PhD thesis. Male genital structures of these species are examined. So, male genital structure of Idotarmonides anatolicus (Candeze, 1881) are examined for the first time and male genital structures of Cardiophorus (s.str.) anticus Erichson, 1840, Cardiophorus (s.str.) kindermanni Candeze, 1860 and Zorochros pilosellus (Reitter, 1895) are firstly examined in detail with the present work. Description of male genital morphology of I. anatolicus and male genital organ drawings of all species were made. Collecting provinces in Turkey and World distributions of species are given. Male genital morphologies of two other species of the genus Idotarmonides, which are given in literature, are compared with I. anatolicus. Intraspecific variations of male genitalia of C. (s.str.) anticus, C. (s.str.) kindermanni and Z. pilosellus are discussed with literature.