Theridiidae  Sundevall, 1833 / Steatoda  Sundevall, 1833   17 species

Steatoda erigoniformis  (O. P.-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
Additional information

Under stones.

Distribution
  Presence
  No data
Global distribution (WSC 2019): East Mediterranean to Middle East, Caucasus, China, Korea, Japan. Introduced to the Caribbeen.
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Adults of both sexes probably all the year.
Figures
References

Bosmans R. (unpubl.) Spiders of North Africa. Database excerpt Aug. 2019

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522 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 (2017) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 08.2017. Internet: caucasus-spiders.info.

World Spider Catalog (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.01.2019) doi: 10.24436/2