Steatoda erigoniformis (O. Pickard-Cambridge, 1872)
Description
Male
Prosoma and sternum deep brown, distinctly granulated. Proximal segments of legs dark brown to almost black, distal segments yellowish orange. Opsthosoma purplish black, with 4 spots dorsally and 2-3 smaller spots above the spinnerets.
Body length male: 2.3-2.6 mmFemale
Prosoma and sternum deep brown, smooth. Proximal segments of legs dark brown to almost black, distal segments yellowish orange. Opsthosoma purplish black, with 4 spots dorsally, 2-3 smaller spots above the spinnerets and 2 lateral spots.
Body length female: 2.3-3.1 mmDistribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, prolateral view
(Levy & Amitai 1982b)
Pedipalp, ventral view
(Levy & Amitai 1982b)
Pedipalp, retrolateral view
(Levy & Amitai 1982b)
Pedipalp, prolateral view
(Danışman & Coşar 2022b)
Pedipalp, retrolateral view
(Danışman & Coşar 2022b)
Pedipalp, ventral view
(Danışman & Coşar 2022b)
Pedipalp, ventro-prolateral view
(Danışman & Coşar 2022b)
Pedipalp, ventro-retrolateral view
(Danışman & Coşar 2022b)
Pedipalp, prolateral view
(Van Keer et al. 2024)
Pedipalp, retrolateral view
(Van Keer et al. 2024)
Pedipalp, ventral view
(Van Keer et al. 2024)
Pedipalp, prolateral view
(Alioua & Bosmans 2024)
Pedipalp, ventral view
(Alioua & Bosmans 2024)
Sternum
(Levy & Amitai 1982b)
Chelicera
(Levy & Amitai 1982b)
Opisthosoma, dorsal view
(Levy & Amitai 1982b)
Habitus, dorsal view
(Van Keer et al. 2024)
Epigyne
(Levy & Amitai 1982b)
Epigyne
(Denis 1952f)
Epigyne
(Bosmans & Hervé 2021)
Epigyne
(Van Keer et al. 2024)
Vulva, dorsal view
(Levy & Amitai 1982b)
Vulva, dorsal view
(Bosmans & Hervé 2021)
Vulva, dorsal view
(Van Keer et al. 2024)
Opisthosoma, lateral view
(Levy & Amitai 1982b)
Habitus, dorsal view
(Van Keer et al. 2024)
Habitus, ventral view
(Van Keer et al. 2024)
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.
References
Alioua & Bosmans (2024) Spiders of arid lands: the Ghardaïa region (northern Sahara) with seven new records for Algeria. Zootaxa 5497: 301-336 
Benhalima S, Bosmans R (2024) First historical checklist of spiders (Arachnida: Araneae) from Morocco, between 1840–2024. Zootaxa 5555: 407-535
Bosmans R, Hervé C (2021) Less is more: eight new synonyms in Mediterranean spiders (Araneae), with a new Pelecopsis species from Tunisia (Linyphiidae). Arachnologische Mitteilungen 61: 58-64
Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173
Coşar İ, Danışman T (2022b) First record of the cobweb spider Steatoda erigoniformis (O. Pickard-Cambridge, 1872) in Turkey (Araneae, Theridiidae). Acta Zoologica Cypria 1: 10-14
Danışman T, Coşar İ (2022b) Turkocranum gen. n., a new genus of Liocranidae (Arachnida: Araneae) from Turkey. Zoology in the Middle East 68: 73-80
Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info
Denis J (1952f) Quelques araignées de Basse-Égypte recueillies par M. B. Condé. Bulletin de la Société Zoologique de France 76: 313-315
Kmira G, Nasri-Ammar, Petillon J, Bosmans R (2025) Catalog of the spiders of Tunisia (Arachnida: Araneae). Zootaxa 5641: 1-95
Levy G, Amitai P (1982b) The cobweb spider genus Steatoda (Araneae, Theridiidae) of Israel and Sinai. Zoologica Scripta 11: 13-30
Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet: caucasus-spiders.info.
Van Keer J, Bosselaers J, Oger P (2024) Description of four new Steatoda species (Araneae: Theridiidae) from the Mediterranean region with notes on some related species. Journal of the Belgian Arachnological Society 39(2, suppl.): 1-77
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Updates
| 24-10-2025 | Distribution update | Detail |
| 27-08-2024 | Image insert | |
| 27-08-2024 | Distribution insert | Detail |
| 26-07-2024 | Image insert | |
| 23-07-2024 | Distribution update | Detail |
| 11-05-2023 | Distribution update | Detail |
| 29-06-2022 | Image insert | |
| 29-06-2022 | Distribution insert | Detail |
| 27-04-2021 | Image insert | |
| 26-04-2021 | Distribution update | Detail |