Dysderella elburzica, Zamani & Marusik & Szűts, 2023

Zamani, Alireza, Marusik, Yuri M. & Szűts, Tamas, 2023, A survey of Dysderella Dunin, 1992 (Araneae, Dysderidae), with a new species from Iran, Zoosystematics and Evolution 99 (2), pp. 337-344 : 337

Dysderella elburzica sp. nov.

Figs 4A-C , 5A-F

Type material.

Holotype ♂ (MMUE), Iran: Tehran Province: Latian Dam, (35°48'N, 51°08'E), 6-19.6.2000 (Y.M. Marusik). Paratype: 1♂ (MMUE), same data as for the holotype.

Etymology.

The specific epithet is an adjective, referring to the Elburz Mountain Range in northern Iran.

Diagnosis.

Male of the new species differs from its congeners by having tapering psembolus (vs. psembolus with subparallel margins).

Description.

Male. Habitus as in Fig. 4A-C . Total length 3.63. Carapace 1.63 long, 1.19 wide. Eye sizes: AME 0.08, PME 0.08, PLE 0.06. Carapace, sternum, chelicerae, labium and maxillae light reddish. Legs yellowish orange. Abdomen light beige, without any pattern. Spinnerets uniformly beige. Measurements of legs: I: 5.30 (1.35, 0.99, 1.27, 1.21, 0.48), II: 5.12 (1.51, 0.86, 1.16, 1.16, 0.43), III: 4.25 (1.22, 0.71, 0.77, 1.04, 0.51), IV: 5.32 (1.68, 0.69, 1.19, 1.37, 0.39). Spination: III: Ti: 1pl; Mt: 1pl. IV: Ti: 1pl; Mt: 1pl.

Palp as in Fig. 5A-F ; femur 4 times longer than wide, almost as long as patella+tibia; patella and tibia subequal in length; bulb ca. 3.4 times longer than wide; psembolus ca. 1.7 times longer than tegulum (in prolateral view); psembolus gradually tapering, with long stylus.

Female. Unknown.

Distribution.

Known only from the type locality in Tehran Province, northern Iran (Fig. 8 ).

Figures

Figure 4. Male of Dysderella elburzica sp. nov.: A. Habitus, dorsal view; B. Same, ventral view; C. Same, lateral view. Scale bars: 0.5 mm.

Figure 5. Male palp of Dysderella elburzica sp. nov.: A. Whole palp, retrolateral view; B. Same, prolateral view; C. Cymbium and bulb, posterior view; D. Same, anterior view; E. Same, prolateral view; F. Same, retrolateral view. Scale bars: 0.2 mm.

Figure 8. Distribution records of Dysderella spp.: circles - D. caspica; star - D. elburzica sp. nov.; square - D. transcaspica. Yellow symbols refer to the type localities.