Summary for Amaurobius similis (Araneae)

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National Distribution

 
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Amaurobius Similis found in house Copyright: Alasdair Kane
Identification difficulty rating: 3
Name: Amaurobius similis
Authority: (Blackwall, 1861)
Order: Arachnida: Araneae
Family: Amaurobiidae

Records: 3659
First Record: 1893
Latest Record: 2014

1992-on hectads: 611
Pre-1992 hectads: 444
Total hectads: 868

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About this species

Recorded altitude range
0m to 600m

Species text

Distribution
The species is widespread in most of England and Wales, becoming more scattered in Scotland. A Holarctic species that is widely distributed in north-western Europe.

Habitat and ecology
The spider probably occurs in almost every house and outhouse in the country. The spider makes its characteristic web of cribellate silk in cracks in the brickwork, under the eaves, under undisturbed rubble or debris and between cracks in wooden sheds and fences, etc. Channels carrying cords for sash windows are a favoured retreat inside houses (J. Newton, pers. comm.). It is also occasionally found under bark in more natural habitats like woods especially where these are near habitation. It is possible that it replaces A. fenestralis in these situations. Adults occur throughout the year but both sexes peak in the autumn, and females are recorded again in numbers during the spring and early summer.

Status
Common, possibly less so in the north.

Original author of profile: P.R. Harvey

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 959 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 1378 records with habitat information)

Broad subhabitat Data (based on 38 records with subhabitat information)

Structural Habitat Data (based on 158 records with structural habitat information)

Habitat Detail and Method (based on 443 records with habitat detail and method information)

Recorded management for locations with Amaurobius similis

Recorded substrate and hydrology for locations with Amaurobius similis

Images

Amaurobius West Yorkshire
Amaurobius West Yorkshire
Lace Web Spider 28 Feb 2014 Appleby Magna
Lace Web Spider 28 Feb 2014 Appleby Magna
Mature Amaurobius similis
Mature Amaurobius similis
Amaurobius Similis found in house
Amaurobius Similis found in house
Spider has damage only 7 legs and scar on head
Spider has damage only 7 legs and scar on head
Amaurobius similis (damaged only has 7 legs)
Amaurobius similis (damaged only has 7 legs)
Amaurobius similis
Amaurobius similis
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