Ahmet Hakyemez, Muhsin Kose, Yuksel Ozcan, Naci Eker, Done Kaynar, Pheromone Trials Against Orthotomicus erosus (Woll.) in Istanbul Princes’ Islands, Turkey, Journal of Animal and Veterinary Advances, Volume 12,Issue 17, 2013, Pages 1367-1371, ISSN 1680-5593, javaa.2013.1367.1371, (https://makhillpublications.co/view-article.php?doi=javaa.2013.1367.1371) Abstract: This study was carried out in Red pine forests of Buyukada region which is subject to Kanlica Forestry Administration, Islands Forest Management Chieftaincy, at the year 2010. The aim of the study is to investigate biological activity of a pheromone which has a trade name SMC DAKOL and which is used against the harmful insect Orthotomicus erosus (Woll.) (Mediterranean pine engraver beetle) in field conditions with funnel and Scandinavian type traps. In the experiment, a pheromone called VIT ORTERO which was certificated before is used for comparison pheromone. Keywords: Orthotomicus erosus (Woll.);pheromone;red pine;Princes islands;DAKOL