In the present work, it was evaluated stigmaeid mites (Acari: Stigmaeidae) collected from Harşit Valley and Örümcek Forests between 2013-2015 years, and totally it was determined 27 species. Three of these, Stigmaeus livschitzi Kuznetsov, S. pricei Summers and Mediolata pini (Canestrini) are new records for the Turkish fauna. Also, the deutonymph stages of Mediolata pini (Canestrini), Stigmaeus pilatus Kuznetsov and S. pricei Summers, the protonymph stages of Eustigmaeus erzurumensis Doğan and Storchia robustus Berlese, the males and deutonymph stage of Ledermuelleriopsis rizeiensis Doğan, the males of L. ayyildizi Doğan, the males and all the immature life stages of Stigmaeus devlethanensis Akyol and Koç were described for the first time in this study. All identified species were reported from the research area for the first time.

Çalışmanın materyalini, Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (TÜBİTAK) tarafından desteklenen 113Z094 numaralı projeden elde edilen akar örnekleri oluşturmaktadır.