Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae) Author Naumova, Maria 0000-0003-0060-048X Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blvd., 1000 Sofia, Bulgaria. munny @ abv. bg; https: // orcid. org / 0000 - 0003 - 0060 - 048 X munny@abv.bg Author Blagoev, Gergin Centre for Biodiversity Genomics, University of Guelph, Guelph, Ontario, Canada. Author Deltshev, Christo National Museum of Natural History, Bulgarian Academy of Sciences, 1000 Sofia, Bulgaria. text Zootaxa 2021 2021-06-10 4984 1 228 257 journal article 4940 10.11646/zootaxa.4984.1.18 ee0b9a1a-cbc5-4d39-bb90-1e770cb8160a 1175-5326 4927030 05948731-53D9-4EA5-8ED9-8DA99548AA07 Leptorchestes sikorskii Prószyński, 2000 Figs 18A–B Material. 1 ♂ , 1 imm ♂ (IBER), Thracian lowland, Yagodovo village , N 42.1160 ˚, E 24.8496 ˚, 158 m , 18.05.2019 , 1 imm ♂ (IBER), 01.08.2020 , V. Genchev leg., on a wall and fences. Remarks. Known from Israel , Lebanon , Greece and Turkey , ( Coşar et al. 2014 , Metzner 1999 , Prószyński 2003 , Wesołowska & Szeremeta 2001 ). Second record for the Balkans, after Greece ( Metzner 1999 sub L. berolinensis (C. L. Koch, 1846)) . Photographs of the male palp ( Figs18A–B ) are provided for the first time.