Gall wasp (Cynipoidea: Cynipidae) fauna of Aydın province (Türkiye)

In order to document the gall wasp fauna (Hymenoptera: Cynipidae) of Aydn province, extensive field studies were conducted between 2023 and 2025. As a result of these surveys, a total of 51 species were determined. Gall samples were collected from 150 different localities within the study area from Quercus frainetto Ten., Quercus infectoria Olivier, and Quercus pubescens Willd. host plant species in section Quercus, as well as from Quercus cerris L. and Quercus ithaburensis Decne. in section Cerris, and from section Ilex, comprising Quercus coccifera L. and Quercus ilex L. Of the species previously known from the Cynipidae fauna of Trkiye, 36 were recorded from Aydn province for the first time through this study resulting in a total of 54 species now known for the province. For each species, data on distributions within the study area, and their host plants and/or host galls is provided.