Steatoda pallens Zamani & Enayatnia & Mirshekar & Mayvan & Kováč & Marusik 2025, sp. nov.

Steatoda pallens Zamani & Marusik, sp. nov. Figs 1C, 23A‒B Type material. Holotype ♀ (ZMUT), IRAN: Sistan & Baluchistan Prov.: Zabol, 31°02'12.0"N 61°32'14.0"E, 480 m, 21.11.2020 (M. Enayatnia). Etymology. The specific epithet refers to the pale coloration of the new species. Diagnosis. The new species is most similar to S. nobilis (Thorell, 1875) and S. maura. The females of all three species have an abdominal pattern consisted of a white oval shape surrounded by a broad blackish band, a character not found in other congeners in the region. Additionally, they have similar endogynes. However, the new species can be distinguished by its shorter, triangular septum (vs. subtrapezoidal and tongue-shaped in S. maura and parallelsided in S. nobilis, with a more elongated shape in both) (cf. Fig. 23 A and Van Keer et al. 2024: figs 24C, 26C). It further differs from S. nobilis by its anteriorly diverging receptacles (vs. converging) (cf. Fig. 23B and Van Keer et al. 2024: fig. 26D). Description. Female (holotype). Habitus as in Fig. 1 С. Total length 5.55. Carapace 2.45 long, 2.05 wide. Eye sizes: AME: 0.18, ALE: 0.14, PME: 0.14, PLE: 0.14. Carapace, sternum, labium and maxillae yellowish brown. Chelicerae brown. Palps and legs yellowish brown, legs with faint brown broad darkening on patellae and distal parts of tibiae, metatarsi and tarsi. Abdomen greyish beige, dorsally with black circular marking, ventrolaterally with black scattered markings. Spinnerets brown. Measurements of legs: I: 11.98 (3.47, 1.26, 2.75, 3.12, 1.38), II: 8.68 (2.69, 1.08, 1.80, 2.16, 0.95), III: 6.94 (2.18, 0.96, 1.27, 1.65, 0.88), IV: 10.04 (3.10, 1.26, 2.14, 2.40, 1.14). Epigyne as in Fig. 23; plate 1.4x wider than long; septum (Se) short triangular; insemination ducts (Id) weakly sclerotized, arch-shaped; receptacles (Re) oval, slightly longer than wide, diverging anteriorly, spaced by 1/2 width. Male. Unknown. Distribution. Known only from the type locality in Sistan & Baluchistan, southeastern Iran.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2025-03-06
DOI
https://doi.org/10.5281/zenodo.14980622
Primary Topic
Subterranean biodiversity and taxonomy
Type
article
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article

Steatoda pallens Zamani & Enayatnia & Mirshekar & Mayvan & Kováč & Marusik 2025, sp. nov.

Zenodo (CERN European Organization for Nuclear Research)
Subterranean biodiversity and taxonomy
article

Steatoda pallens Zamani & Enayatnia & Mirshekar & Mayvan & Kováč & Marusik 2025, sp. nov.

article en

Abstract

Steatoda pallens Zamani & Marusik, sp. nov. Figs 1C, 23A‒B Type material. Holotype ♀ (ZMUT), IRAN: Sistan & Baluchistan Prov.: Zabol, 31°02'12.0"N 61°32'14.0"E, 480 m, 21.11.2020 (M. Enayatnia). Etymology. The specific epithet refers to the pale coloration of the new species. Diagnosis. The new species is most similar to S. nobilis (Thorell, 1875) and S. maura. The females of all three species have an abdominal pattern consisted of a white oval shape surrounded by a broad blackish band, a character not found in other congeners in the region. Additionally, they have similar endogynes. However, the new species can be distinguished by its shorter, triangular septum (vs. subtrapezoidal and tongue-shaped in S. maura and parallelsided in S. nobilis, with a more elongated shape in both) (cf. Fig. 23 A and Van Keer et al. 2024: figs 24C, 26C). It further differs from S. nobilis by its anteriorly diverging receptacles (vs. converging) (cf. Fig. 23B and Van Keer et al. 2024: fig. 26D). Description. Female (holotype). Habitus as in Fig. 1 С. Total length 5.55. Carapace 2.45 long, 2.05 wide. Eye sizes: AME: 0.18, ALE: 0.14, PME: 0.14, PLE: 0.14. Carapace, sternum, labium and maxillae yellowish brown. Chelicerae brown. Palps and legs yellowish brown, legs with faint brown broad darkening on patellae and distal parts of tibiae, metatarsi and tarsi. Abdomen greyish beige, dorsally with black circular marking, ventrolaterally with black scattered markings. Spinnerets brown. Measurements of legs: I: 11.98 (3.47, 1.26, 2.75, 3.12, 1.38), II: 8.68 (2.69, 1.08, 1.80, 2.16, 0.95), III: 6.94 (2.18, 0.96, 1.27, 1.65, 0.88), IV: 10.04 (3.10, 1.26, 2.14, 2.40, 1.14). Epigyne as in Fig. 23; plate 1.4x wider than long; septum (Se) short triangular; insemination ducts (Id) weakly sclerotized, arch-shaped; receptacles (Re) oval, slightly longer than wide, diverging anteriorly, spaced by 1/2 width. Male. Unknown. Distribution. Known only from the type locality in Sistan & Baluchistan, southeastern Iran.

Zenodo (CERN European Organization for Nuclear Research)
Zabol University (IR), University of Turku (FI), Altai State University (RU), University of Pavol Jozef Šafárik (SK), University of the Free State (ZA)
Openalex Percentile: Top 57%
Subterranean biodiversity and taxonomy
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