Entomological problems and solution suggestions in İstanbul Metropolitan Municipality Alibeyköy and Pendik nurseries

This study was carried out in 2022 - 2023 with plants in potted growth site in Alibeyköy and Pendik nurseries of Plant and Landscape Incorporated Company, belonging to Istanbul Metropolitan Municipality. As a result of the study, 49 species belong to the orders Trombidiformes, Orthoptera, Hemiptera, Coleoptera, Lepidoptera and Hymenoptera were detected in these plants. Among 49 species Gryllotalpa gryllotalpa (L.) in the nursery all of the regions of Turkey, Melolontha melolontha (L.), Tomicus minor (Htg.), T. piniperda (L.), Diprion pini (L.) except South – East Anatolia in everywhere, Polyphylla fullo (L.), Orthotomicus erosus (Woll.), Rhyacionia buoliana (Den. & Schiff.) and Thaumetopoea pityocampa (Den. & Schiff.) except both East Anatolia and South – East Anatolia in everywhere, totally 9 species have been determined as the most important harmful insects living in areas of Istanbul. These species, Tetranychus urticae Koch Gryllotalpa gryllotalpa (L.), Smaragdina limbata (Stev.) and Xanthogaleruca luteola (Müll.)have been observed to cause damage to both roses and saplings. Totally 4 species, namely Anoplophora chinensis (Forster), Cameraria ohridella Deschka & Dimić, Cydalima perspectalis (Walker) and Rhynchophorus ferrugineus (Oliv.) are invasive species and are widely found in Istanbul province. The detailed information on control measurements and the problems of the pests were also recorded in this study.