Codling moth Cydia pomonella (L.) (Lepidoptera: Tortricidae) is the main pest of apple all over world. Besides usage broad spectrum insecticides being control for C. pomonella, also there a potential entomapathogen nematodes(EPN) same control. In this study, efficacies four entomopathogenic nematode species [Steinernema carpocapsae (Tokat Bakisli05), S. feltiae (Tokat-Emir), Heterorhabditis bac...