Theridiidae  Sundevall, 1833 / Steatoda  Sundevall, 1833   19 species

Steatoda incomposita  (Denis, 1957)


Prosoma 1.2-2 mm long. Opisthosoma dark with white pattern, ventrally dark, with white median line and 2 indistinct lateral lines which merge anterior to spinnerets.

Body length male: 2.9-4.4 mm

Epigyne: less bulging than in S. albomaculata, with 2 small grooves at its straight posterior margin. Prosoma 1.6-1.8 mm long.

Body length female: 4.1-5.9 mm
Additional information

Under stones, in dry habitats with scarce vegetation, up to 2800 m.

  No data
Global distribution (WSC 2022): Portugal, Spain, France (incl. Corsica)
 male  female
Distribution List
France   (no references) ||| France / Corsica   (no references) ||| Portugal   (Branco et al., 2019) ||| Spain   (Branco et al., 2019) |||

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

Gaymard M, Lecigne S (2018) Contribution à la connaissance de l'aranéofaune (Araneae) du Gard et en particulier du massif des Gorges du Gardon (Occitanie, France). Bulletin de l'Association Française d'Arachnologie 1: 1-39 pdf

Knoflach B (1996a) Steatoda incomposita (Denis) from southern Europe, a close relative of Steatoda albomaculata (Degeer) (Araneae: Theridiidae). Bulletin of the British Arachnological Society 10: 141-145 pdf

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

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

04-03-2021 Gallery image insert
17-12-2018 Image insert