Özet:

This study is based on the genus Gasteruption Latreille, 1796 samples collected from forest areas of Bingol and Diyarbakır provinces of Türkiye in 2019 and 2021. In the present study, 10 species in genus of Gasteruption Latreille, 1796 were identified: Gasteruption agrenum van Achterberg & Talebi, 2014; G. assectator (Linnaeus, 1758); G. dolichoderum Schletterer, 1889; G. hastator Fabricius, 1804; G. henseni van Achterberg, 2014; G. jaculator (Linnaeus, 1758); G. merceti Kieffer, 1904; G. syriacum Szépligeti, 1903; G. undulatum Abeille de Perrin, 1879; G. variolosum Abeille de Perrin, 1879. All species except G. merceti are new records for the provincial fauna of Bingöl and Diyarbakır. Also, male external genitalia of G. agrenum, G. hastator, G. jaculator, G. merceti, G. undulatum, G. variolosum species are illustrated for the first time. The photographs of identified species are provided.