Theridiidae  Sundevall, 1833 / Steatoda  Sundevall, 1833   19 species

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: 2.30-2.55 mm
Female

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: 2.35-3.10 mm
Distribution
  Presence
  No data
Global distribution (WSC 2022): East Mediterranean, Middle East, Caucasus, China, Korea, Japan. Introduced to USA, Caribbean, Venezuela
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Adults of both sexes probably all the year.
Figures
Distribution List
Azerbaijan   (Otto, 2020) ||| Cyprus   (Bosmans et al., 2019c) ||| Egypt   (Bosmans & Hervé, 2021) ||| Greece   (no references) ||| Morocco   (Bosmans, unpubl.) ||| Tunisia   (Bosmans, unpubl.) |||
References

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 pdf

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 pdf

Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019

Denis J (1951c) Quelques araignées de Basse-Égypte recueillies par M. B. Condé. Bulletin de la Société Zoologique de France 76: 313-315 pdf

Levy G, Amitai P (1982b) The cobweb spider genus Steatoda (Araneae, Theridiidae) of Israel and Sinai. Zoologica Scripta 11: 13-30 pdf

Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 10.2020. Internet: caucasus-spiders.info.

WSC (2022) World Spider Catalog. Version 23.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (21.01.2022) doi: 10.24436/2 pdf

Updates
27-04-2021 Image insert
26-04-2021 Distribution update Detail