Summary for Tegenaria gigantea (Araneae)

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National Distribution

 
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Tegenaria gigantea Copyright: Peter Harvey
Identification difficulty rating: 3
Name: Tegenaria gigantea
Authority: Chamberlin & Ivie, 1935
Order: Arachnida: Araneae
Family: Agelenidae
IUCN status: LC

Records: 2924
First Record: 1800
Latest Record: 2017

1992-on hectads: 572
Pre-1992 hectads: 221
Total hectads: 664

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Identification guidance for Tegenaria gigantea

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About this species

Recorded altitude range
0m to 400m

Species text

Distribution
T. gigantea is widespread across eastern, central and northern England, but more sporadic in Scotland and the west. In mainland Europe, the natural range seems to be confined to France and the Iberian Peninsula although it has been reported in a number of other countries (Maurer 1992; Croucher, Oxford & Searle, unpublished), apparently as a result of importation.

Habitat and ecology
The species is often found in houses, garages and sheds. It also occurs in areas far from human habitation throughout its range (cf Roberts 1995), where it inhabits rock, stone and tree crevices, overhanging banks, rabbit holes and very dense vegetation (Roberts 1995). Within houses, the species is most often noticed in autumn when males wander freely in search of the more sedentary females. Mating occurs in autumn and females over-winter with stored sperm. In spring, with increasing temperature and food supply, egg-sacs are produced over an extended period. Growth to maturity usually takes two years. Males die after mating but females may live for a further year or more. The total number of instars to maturity can vary widely, which explains the large differences in size often found in mature individuals (Merrett 1980). Where this species overlaps geographically with the closely related Tegenaria saeva, hybrids can form and may be common in some areas e.g. central Yorkshire (Oxford & Smith 1987; Oxford & Plowman 1991). Adults of both sexes have mostly been recorded in late summer and autumn.

Status
Very common where it occurs.

Original author of profile: G. Oxford.

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 1084 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 876 records with habitat information)

Broad subhabitat Data (based on 21 records with subhabitat information)

Structural Habitat Data (based on 163 records with structural habitat information)

Habitat Detail and Method (based on 376 records with habitat detail and method information)

Recorded management for locations with Tegenaria gigantea

Recorded substrate and hydrology for locations with Tegenaria gigantea

Images

Close up Tegenaria gigantea
Close up Tegenaria gigantea
Keeping flies out of my Kitchen
Keeping flies out of my Kitchen
Tegenaria gigantea - male
Tegenaria gigantea - male
Tegenaria gigantea
Tegenaria gigantea
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