Abstract

In this study, a new species of the genus Leptobium Casey, Leptobium orgeli sp. n. (Çorum province) from central northern Anatolia in Türkiye is described, illustrated, and distinguished from congeners. A total of 21 species is currently known from Türkiye. A distributional checklist of Leptobium of Türkiye is provided. Distributions of the endemic Leptobium species in central northern Anatolia are mapped. In addition, new and additional distribution data for 10 species of Leptobium are reported from different countries of the Palearctic Region. The material examined was based on specimens collected between 1927 and 2021, and contained additional specimens in European museums and Alaşehir Zoological Museum.