Summary for Steatoda nobilis (Araneae)

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National Distribution

 
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Steatoda nobilis - Harrogate Copyright: Lilian Arundale Robinson
Identification difficulty rating: 3
Name: Steatoda nobilis
Authority: (Thorell, 1875)
Order: Arachnida: Araneae
Family: Theridiidae

Records: 402
First Record: 1879
Latest Record: 2014

1992-on hectads: 185
Pre-1992 hectads: 3
Total hectads: 185

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About this species

Recorded altitude range
4m to 100m

Species text

Distribution
The spider is well established in various places along the south coast of England from Cornwall to Essex, and in the last few years has increasingly been found established inland and further north. There are two recent records in Scotland, both believed to be the result of introduction with goods, and where long-term survival of any population is uncertain.

In Europe the species is known from Ireland, France, Spain and Portugal. It is not listed in recent checklists for other western and central European countries.

Habitat and ecology
This spider is found mainly around houses, though more rarely indoors. It constructs a scaffold web that differs from others of the genus in the exceptional strength of the silk and in the tubular retreat that is at least partly concealed in a deep crack or hole. The species has been known to bite a human but the spider has received a lot of unjustified and inaccurate media statements about its danger to humans and its spread in Britain. Bites to humans are unlikely to happen in normal circumstances since the spiders are usually confined to their web, in cracks in walls or under window sills. The bite in most people would be little different to a bee sting, and there are currently few definite recorded occurrences in Britain since 1979, many reports almost certainly being the result of non-spider-related causes which have incorrectly been assumed to be the result of 'false widows'. The males are mature in the summer and autumn, the females probably throughout the year.

Status
The species was first reported from near Torquay by Pickard-Cambridge (1879) and described from Britain by Snazell & Jones (1993). It is assumed to be introduced and is now naturalised in southern counties of England. It is extremely abundant in some places.

Original author of profile: P. Lee

Text based on Harvey, P.R., Nellist, D.R. & Telfer, M.G. (eds) 2002. Provisional atlas of British spiders (Arachnida, Araneae), Volumes 1 & 2. Huntingdon: Biological Records Centre.  References

Adult Season

Adult Season Data (based on 201 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 225 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 7 records with structural habitat information)

Habitat Detail and Method (based on 40 records with habitat detail and method information)

Recorded management for locations with Steatoda nobilis

Recorded substrate and hydrology for locations with Steatoda nobilis

Images

Steatoda nobilis on tile floor
Steatoda nobilis on tile floor
Conservatory visitor 21 Oct 2014
Conservatory visitor 21 Oct 2014
Steatoda nobilis (Noble false widow) Somerset
Steatoda nobilis (Noble false widow) Somerset
Noble False Widow 27th August 2014
Noble False Widow 27th August 2014
Larger Steatoda nobilis in Brampton
Larger Steatoda nobilis in Brampton
Steatoda nobilis in Brampton
Steatoda nobilis in Brampton
Noble False Widow Spider
Noble False Widow Spider
Steatoda Nobilis pic 2
Steatoda Nobilis pic 2
Steatoda nobilis wrapping may bug-4
Steatoda nobilis wrapping may bug-4
Steatoda nobilis wrapping may bug-3
Steatoda nobilis wrapping may bug-3
Steatoda nobilis wrapping may bug-2
Steatoda nobilis wrapping may bug-2
Steatoda nobilis wrapping may bug-1
Steatoda nobilis wrapping may bug-1
Steatoda nobilis SD14
Steatoda nobilis SD14
Found in the bathroom
Found in the bathroom
Purbrook False Widow
Purbrook False Widow
False widow 1st November
False widow 1st November
Possible False Widow Spider in Huntingdon
Possible False Widow Spider in Huntingdon
Steatoda nobilis - Gloucester no.2
Steatoda nobilis - Gloucester no.2
Steatoda nobilis - Gloucester
Steatoda nobilis - Gloucester
Steatoda Nobilis - Belvedere
Steatoda Nobilis - Belvedere
Steatoda nobilis - Harrogate
Steatoda nobilis - Harrogate
Steatoda nobilis female in web
Steatoda nobilis female in web
Steatoda nobilis female showing sheet and tubular retreat
Steatoda nobilis female showing sheet and tubular retreat
Steatoda nobilis in Web
Steatoda nobilis in Web
Steatoda nobilis
Steatoda nobilis
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