Sosticus montanus, Zamani & Chatzaki & Esyunin & Marusik, 2021

Zamani, Alireza, Chatzaki, Maria, Esyunin, Sergei L. & Marusik, Yuri M., 2021, One new genus and nineteen new species of ground spiders (Araneae: Gnaphosidae) from Iran, with other taxonomic considerations, European Journal of Taxonomy 751 (1), pp. 68-114 : 101-103

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.

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.

Figures

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.