One new genus and nineteen new species of ground spiders (Araneae: Gnaphosidae) from Iran, with other taxonomic considerations Author Zamani, Alireza A21C0B82-E2D9-4402-9408-D6160843DAF4 Zoological Museum, Biodiversity Unit, University of Turku, FI- 20014, Finland. Department of Molecular Biology and Genetics, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece. Perm State University, Bukireva Street 15, Perm, 614600, Russia. Institute for Biological Problems of the North RAS, Portovaya Str. 18, Magadan, 685000, Russia. Department of Zoology & Entomology, University of the Free State, Bloemfontein 9300, South Africa. zamani.alireza5@gmail.com Author Chatzaki, Maria 2FBB48ED-84FE-4386-8F47-C958E9F8A2A1 maria.chatzaki@gmail.com Author Esyunin, Sergei L. 2B591857-5FAB-4B7D-B589-6C4977A3A493 Sergei. Sergei.Esyunin@psu.ru Author Marusik, Yuri M. F215BA2C-5072-4CBF-BA1A-5CCBE1626B08 yurmar@mail.ru text European Journal of Taxonomy 2021 2021-06-04 751 1 68 114 http://dx.doi.org/10.5852/ejt.2021.751.1381 journal article 6279 10.5852/ejt.2021.751.1381 4e3af683-d8a6-40de-991b-c4584d66b8cc 2118-9773 4906007 1D27EA41-2396-463A-B1B2-0CCF79C9F3D2 Sosticus montanus sp. nov. urn:lsid:zoobank.org:act: 9C05213D-7ACA-4312-A314-26D6EA50A334 Fig. 21 Diagnosis Epigyne of the new species is most similar to that of S. loricatus but differs by the shape of atrium and the copulatory ducts: atrium triangular, wider posteriorly (vs wider anteriorly) and the ducts converge medially and diverge anteriorly (vs opposite). Etymology The specific epithet is an adjective and refers to the mountainous habitat of the new species in the Zagros Mountain Range. Type material Holotype IRAN • ♀ ; Ilam Province , Abdanan ; 32°53′ N , 47°30′ E ; Jul. 2015 ; A. Zamani leg.; MHNG . Description Female Habitus as in Fig. 21C . Total length 2.68. Carapace 1.67 long, 1.32 wide. Eye sizes and interdistance of PMEs: AME = 0.06, ALE = 0.08, PME = 0.11, PLE = 0.07, PME–PME = 0.04. Carapace, chelicerae, sternum, maxillae and labium yellow. Chelicera ( Fig. 21I ) with 3 promarginal teeth. Abdomen pale, yellowish, with four dorsal sigilla, ventrally with distinct tracheal marks. Spinnerets pale and uniform in color. All legs missing. Fig. 21. Sosticus montanus sp. nov. , holotype, ♀ (MHNG). A, E, G . Epigyne, ventral view. B, D, F, H . Epigyne, dorsal view. C . Habitus, dorsal view. I . Chelicera, posterior view. Scale bars: C = 0.5 mm; G–H = 0.1 mm; I = 0.2 mm. Epigyne as in Fig. 21A–B, D–H . Atrium triangular; scape large, longer than atrium; receptacles round, touching each other; copulatory ducts semicircular, converging anteriorly; receptacles and ducts form 2 vertical arcs in opposite directions; accessorial duct long, directed anteriorly and terminating at the level of mid part of the scape. Male Unknown. Distribution Known only from the type locality in Ilam Province , western Iran .