Dysdera achaemenes, 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

publication ID	https://dx.doi.org/10.3897/zookeys.1146.97517
publication LSID	lsid:zoobank.org:pub:01E76F6A-B991-4F33-9BD6-991090F07E80
persistent identifier	https://treatment.plazi.org/id/83006184-7584-4AB0-9862-8C050A4A719C
taxon LSID	lsid:zoobank.org:act:83006184-7584-4AB0-9862-8C050A4A719C
treatment provided by	ZooKeys by Pensoft
scientific name	Dysdera achaemenes
status	sp. nov.

Treatment

Dysdera achaemenes sp. nov.

Figs 1A-C View Figure 1 , 2A, B View Figure 2

Type material.

Holotype ♀ (ZMUT), Iran: Fars Province: Khanj, Khan Cave, 27°44'N, 53°20'E.

Etymology.

The specific epithet is a noun in apposition, referring to the apical ancestor of the Achaemenid dynasty of rulers of Persia.

Diagnosis.

The new species differs from its congeners occurring in the region by the very long receptacle (Re), longer than the posterior margin of the dorsal arch (Da) (vs. shorter).

Description.

Female. Habitus as in Fig. 1A-C View Figure 1 . Total length 8.13. Carapace 3.28 long, 2.58 wide. Eye diameters: AME 0.12, PME 0.12, PLE 0.14. Carapace, sternum, chelicerae, labium, and maxillae reddish. Legs pale orange. Abdomen pale cream-coloured, without any pattern. Spinnerets uniformly pale cream-coloured. Measurements of legs: I: 8.77 (2.64, 1.56, 2.21, 1.78, 0.58), II: 8.49 (2.42, 1.44, 2.02, 2.08, 0.53), III: 6.54 (1.87, 0.99, 1.30, 1.92, 0.46), IV: 8.99 (2.51, 1.32, 2.07, 2.47, 0.62). Spination: I: Fe: 3pl. II: Fe: 1pl. III: Fe: 1pl; Ti: 4pl, 1rl, 6v; Mt: 3pl, 2rl, 6v. IV: Fe: 9d, 1rl; Ti: 4pl, 6v; Mt: 3pl, 2rl, 5v.

Endogyne as in Fig. 2A, B View Figure 2 ; length/width ratio ca. 2.6; receptacle slightly arched, 5 × longer than wide, anterior angles (Aa) rounded, not long; dorsal arch (Da) trapezoidal; transverse bar (Tb) as wide as receptacle, lateral edges (Le) directed posterolaterally; posterior diverticulum (Pd) hexagonal.

Male. Unknown.

Distribution.

Known only from the type locality in Fars Province, southern Iran (Fig. 35 View Figure 35 ).