Dysdera bakhtiari, Zamani & Marusik & Szűts, 2023

Zamani, Alireza, Marusik, Yuri M. & Szűts, Tamas, 2023, A survey of the spider genus Dysdera Latreille, 1804 (Araneae, Dysderidae) in Iran, with fourteen new species and notes on two fossil genera, ZooKeys 1146, pp. 43-86 : 43

Dysdera bakhtiari sp. nov.

Figs 3 , 4A-D

Type material.

Holotype ♂ (MHNG), Iran: Chaharmahal & Bakhtiari Province: Zard Kuh, 32°23'N, 50°07'E, 2700 m, 20.06.1974 (A. Senglet).

Etymology.

The specific epithet is a noun in apposition, referring to an Iranian tribe primarily inhabiting Chaharmahal & Bakhtiari, Khuzestan, Lorestan, Bushehr, and Isfahan provinces.

Diagnosis.

This species can be distinguished from other species of the Dysdera aculeata group occurring in the region by having a wider psembolus (i.e., 1.5 × wider than the tegulum).

Description.

Male. Habitus as in Fig. 3 . Total length 5.97. Carapace 2.55 long, 1.97 wide. Eye diameters: AME 0.10, PME 0.08, PLE 0.11. Carapace, sternum, chelicerae, labium, and maxillae reddish brown. Legs orange. Abdomen cream-coloured, without any pattern. Spinnerets uniformly cream-coloured. Measurements of legs: I: 7.40 (2.07, 1.26, 1.80, 1.82, 0.45), II: 6.68 (1.83, 1.17, 1.61, 1.61, 0.46), III: 5.02 (1.42, 0.81, 0.98, 1.40, 0.41), IV: 6.51 (1.87, 0.97, 1.43, 1.77, 0.47). Spination: I: Fe: 4pl. II: Fe: 3pl. III: Fe: 3pl, 1rl; Ti: 4pl, 2rl, 5v; Mt: 6pl, 2rl, 2v. IV: Fe: 7d, 1pl; Ti: 5pl, 2rl, 5v; Mt: 5pl, 2rl, 5v.

Palp as in Fig. 4A-D ; bulb ca. 2 × longer than wide; tegulum bell-shaped, 1.2 × longer than wide; psembolus 1.5 × longer than tegulum; median crest (Mc) rounded, ca. 2.2 × shorter than length of psembolus, ca. 4 × wider than high; posterior apophysis (Ap) very large, rounded; incision between tegulum and psembolus absent; retrolateral crest (Rc) gradually rounded.

Female. Unknown.

Distribution.

Known only from the type locality in Chaharmahal & Bakhtiari Province, southwestern Iran (Fig. 35 ).

Figures

Figure 3. Male of Dysdera bakhtiari sp. nov., habitus, dorsal view. Scale bar: 1.0 mm.

Figure 4. Male of Dysdera bakhtiari sp. nov., bulb A retrolateral view B prolateral view C anterior view D posterior view. Scale bars: 0.25 mm. Abbreviations: Ap - posterior apophysis, Mc - median crest, Rc - retrolateral crest.

Figure 35. Distribution records of Dysdera spp. in Iran 1 D. achaemenes sp. nov. 2 D. bakhtiari sp. nov. 3 D. hormuzensis sp. nov. 4 D. iranica sp. nov. 5 D. isfahanica sp. nov. 6 D. mazeruni sp. nov. 7 D. persica sp. nov. 8 D. pococki 9 D. sagartia sp. nov. and D. medes sp. nov. 10 D. verkana sp. nov. 11 D. xerxesi sp. nov. 12 D. damavandica sp. nov. 13 D. tapuria sp. nov. 14 D. genoensis sp. nov.