Theridiidae  Sundevall, 1833 / Steatoda  Sundevall, 1833   14 species

Steatoda nobilis  (Thorell, 1875)

Description

Epigynal groove with broad septum. Prosoma dark red-brown, with darker radial pattern. Legs light yellow-brown. Tibia distally darker than remaining leg. Opisthosoma female: purple-brown with whitish stripe. Male: with dark purple folium pattern, beige and white, 4 larger reddish impressed spots.

Body length male: 7.8-10.6 mm
Body length female: 9.5-14 mm
Additional information

On fences, stone walls, tree trunks, in hedges, on buildings, also inside buildings in the north. Originally distributed on Canary Islands and Madeira, apparently distributed with banana transports.

This species of Macaronesian origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.

Distribution
  Presence
  No data
Global distribution (WSC 2019): Macaronesia. Introduced to USA, Chile, Europe, Turkey, Iran
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
References

Bauer T, Feldmeier S, Krehenwinkel H, Wieczorrek C, Reiser N, Breitling R (2019) Steatoda nobilis, a falsewidow on the rise: a synthesis of past and current distribution trends. NeoBiota 42: 19-43 pdf

Crespo L, Cardoso P, Silva I, Menezes D (2009a) Spiders (Arachnida: Araneae) from the Selvagens Islands (Portugal): additions to the current knowledge. Boletín de la Sociedad Entomologica Aragonesa 45: 343-348

Danışman T, Kunt K B, Özkütük R S (2019) The checklist of the spiders of Turkey. Version 2018 [last updated 1 January 2019], online at http://www.spidersofturkey.info

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

Helsdingen P J van (2015b) Binnenwandelende exoten. Nieuwsbrief SPINED 35: 33-34

Kulczycki A, Legittimo C M, Simeon E, Di Pompeo P (2012) New records of Steatoda nobilis (Thorell, 1875) (Araneae, Theridiidae), an introduced species on the Italian mainland and in Sardinia. Bull Br Arachnol Soc 15: 269-272

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

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 pdf

Reiser N (2013) Einschleppung und Einwanderung von Spinnentieren (Araneae; Opiliones) in Deutschland. BSc Thesis, University of Applied Studies Neubrandenburg, Germany (pdf)

Snazell R, Jones D (1993) The theridiid spider Steatoda nobilis (Thorell, 1875) in Britain. Bull Br Arachnol Soc 9: 164-167

Taberlet J-P (unpubl.)

Van Keer K (2010) An update on the verified reports of imported spiders (Araneae) from Belgium. Nieuwsbr Belg Arachnol Ver 25: 210-214

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

Updates
03-01-2019 Image insert
02-10-2017 Image insert
22-12-2015 Distribution update Old value
01-10-2015 Distribution update Old value
23-03-2013 Distribution update Old value