Summary for Arctosa cinerea (Araneae)

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National Distribution

 
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Arctosa cinerea adult female in burrow Copyright: Evan Jones
Identification difficulty rating: 3
Name: Arctosa cinerea
Authority: (Fabricius, 1777)
Order: Arachnida: Araneae
Family: Lycosidae
National status: Nb

Records: 220
First Record: 1836
Latest Record: 2015

1992-on hectads: 30
Pre-1992 hectads: 34
Total hectads: 56

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About this species

Recorded altitude range
1m to 233m

Species text

Distribution
The species has been recorded only from Wales, northern England and Scotland. It is probably under-recorded because of its specialised habitat and the likely need to turn over many rocks before finding a specimen, although the spider may attract the attention of the general public because of its large size and riverside habitat. It is widespread in western and central Europe.

Habitat and ecology
River shingle. A. cinerea inhabits shingle beds of fast flowing rivers and lakeshores. It may be found hiding in crevices between rocks, close to the water's edge, where it constructs a silken burrow and where it apparently remains even when the river floods. Adult females are probably present throughout the year; males have been recorded in spring, summer and autumn.

Status
The spider may be very locally common in its specialised habitat.

Threats
Over-zealous management of rivers, with removal, disturbance, or stabilisation of shingle, may threaten the species. There is a widespread lack of appreciation of the value of such an apparently barren habitat as river shingle.

Management and conservation
Ensure that riverine shingle sites are protected from unnecessary disturbance, and that natural braiding and flooding is allowed on suitable rivers.

Text based on Dawson, I.K., Harvey, P.R., Merrett, P. & Russell-Smith, A.R. (in prep.).  References

Adult Season

Adult Season Data (based on 48 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 51 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 20 records with structural habitat information)

Habitat Detail and Method (based on 24 records with habitat detail and method information)

Recorded management for locations with Arctosa cinerea

Recorded substrate and hydrology for locations with Arctosa cinerea

Images

Arctosa cinerea - rocky river bank
Arctosa cinerea - rocky river bank
Arctosa cinerea
Arctosa cinerea
Arctosa cinerea (male) on river shingle
Arctosa cinerea (male) on river shingle
Arctosa cinerea brown form
Arctosa cinerea brown form
Arctosa cinerea adult female digging burrow
Arctosa cinerea adult female digging burrow
Arctosa cinerea adult female in burrow
Arctosa cinerea adult female in burrow
Arctosa cinerea adult female on river shingle August 2011
Arctosa cinerea adult female on river shingle August 2011
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