In this study, the bark beetle species which they are destructively effected on the Oriental spruce regions are determined between 2005-2006. In addition, predatory and parasite species that attack the bark beetles are introduced. As a result of this study, 23 species harmful bark beetles that bound to 6 tribus and 2 sub-family of the Scolytidae family is identified. Accordingly, 84 predatory species from 21 families under 4 groups, and 23 parasite species from 5 families under 1 group are detected. These predatory and parasite species are very important as a starting point for the biological fighting against the bark beetles.