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Araneidae  Clerck, 1757 / Siwa  Grasshoff, 1970   2 species

Siwa dufouri (Simon, 1874)

WSC LSID urn:lsid:nmbe.ch:spidersp:017066

Key to genera | Key to species

Description
Body length female: 10 mm
Distribution
  Presence
  No data
Global distribution (WSC 2026): Spain, France, Italy (Sardinia), Malta, Greece, Algeria
Figures
species

male Pedipalp
(Simon 1929)

species

male Pedipalp, ventral view
(Wunderlich 2011a)

species

male Pedipalp, prolateral view
(Levy 1986)

species

male Pedipalp, prolateral-ventral view
(Levy 1986)

species

male Pedipalp, apical view
(Levy 1986)

species

male Pedipalp, ventral view
(Morano et al. 2021)

species

female Epigyne
(Simon 1929)

species

female Epigyne
(Wunderlich 2011a)

species

female Epigyne, ventral view
(Levy 1986)

species

female Epigyne, lateral view
(Levy 1986)

species

female Epigyne, posterior view
(Levy 1986)

species

female Epigyne
(van Helsdingen & IJland 2024)

species

female Epigyne
(van Helsdingen & IJland 2024)

species

female Epigyne
(Zonstein 2025)

species

female Vulva, dorsal view
(Zonstein 2025)

species

female Opisthosoma, dorsal view
(Levy 1986)

species

female Habitus
(Wunderlich 2011a)

Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Algeria   (Levy, 1986; Simon, 1929; Benhacene et al., 2023) ||| France   (Le Peru, 2007) ||| France / Corsica   (Le Peru, 2007) ||| Greece   (van Helsdingen & IJland, 2024) ||| Italy / Sardinia   (Caria & Pantini, 2023) ||| Malta   (Dentici, 2018) ||| Spain   (Branco et al., 2019) |||
References

Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Caria M, Pantini P (2023) Nuovi dati per l’araneofauna sarda (Arachnida: Araneae). Rivista del Museo Civico di Scienze Naturali "Enrico Caffi", Bergamo 36: 65-71 pdf

Dentici A (2018) Contribution to the knowledge of the spider fauna (Arachnida Araneae) of the Maltese Archipelago. Biodiversity Journal 9: 85-88 pdf

Helsdingen P J van, IJland S (2024) Spiders (Arachnida, Araneae) from northern Greece. Nieuwsbrief SPINED 42: 2-18 pdf

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 pdf

Levy G (1986) Spiders of the genera Siwa, Larinia, Lipocrea and Drexelia (Araneae: Araneidae) from Israel. Bulletin of the British Arachnological Society 7: 1-10 pdf

Morano E, Canelo T, Gaytán Á, Pérez-Izquierdo C, Bonal R (2021) Arañas (Arachnida: Araneae) en encinares centro-occidentales de la Península Ibérica. Revista Ibérica de Aracnología 39: 81-103 pdf

Simon E (1929) Les arachnides de France 6 (3). Paris (Roret): 533-772 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Wunderlich J (2011a) Extant and fossil spiders (Araneae). Heutige und fossile Spinnen. Beiträge zur Araneologie 6: 1-640 pdf

Zonstein S L (2025) New data on the spider genus Siwa Grasshoff, 1970 (Aranei: Araneidae). Arthropoda Selecta 34: 287-293 pdf

Updates
28-06-2025 Image insert
21-01-2025 Image insert
20-01-2025 Distribution insert Detail
15-01-2024 Distribution insert Detail
11-01-2022 Image insert
01-01-2022 Distribution update Detail
01-01-2022 Distribution insert Detail
29-04-2020 Distribution update Detail
27-04-2018 Distribution update Detail
04-10-2013 Image insert