“…Figure 6. Distribution of species by months Among the harmful insects found in this study, the Asian chestnut gall wasp, Dryocosmus kuriphilus is an alien species to Europe and attacks species of the genus Castanea worldwide (EFSA, 2010;Castedo-Dorado et al, 2023). In Türkiye, D. kuriphilus was detected for the first time in Yalova in 2014 (Çetin et al, 2014) then it has been expanded its geographical ranges and reported from different provinces of Yalova, Bursa, İstanbul, Sakarya, Kocaeli, Balıkesir, Bilecik, Düzce, Giresun, Bartın, Zonguldak, Sinop and İzmir (Mıcık & İpekdal, 2021;Yıldız et al, 2020).…”