Summary for Pseudeuophrys obsoleta (Araneae)

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National Distribution

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Pseudeuophrys obsoleta Copyright: Peter Harvey
Identification difficulty rating: 4
Name: Pseudeuophrys obsoleta
Authority: (Simon, 1868)
Order: Arachnida: Araneae
Family: Salticidae
BAP status: UKBAP
National Rarity status: NS
IUCN status: LC

Records: 166
First Record: 1800
Latest Record: 2022

1992-on hectads: 14
Pre-1992 hectads: 11
Total hectads: 17

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About this species

Recorded altitude range
0m to 5m

Species text

Apparently restricted to shingle beaches in the south-east, the species has been recorded from Blakeney Point, East Norfolk; Orford Beach and Shingle Street, East Suffolk; Colne Point and Walton Naze, North Essex; Bradwell, South Essex; Lydd Ranges and near Faversham, East Kent; and Rye Harbour, East Sussex, all since 1953.

Habitat and ecology
P. obsoleta occurs among tide litter, in empty whelk shells and in the open on shingle. Adults of both sexes are found from April to June and from August to October.

UK Biodiversity Action Plan priority species. The spider is numerous at some sites, for example Bradwell, Colne Point and Shingle Street.

Public pressure, causing erosion by trampling, may degrade its sites and holiday development may be a threat outside nature reserves. The use of vehicles on shingle, as at Lydd Ranges, causes irreversible disruption to the habitat. Shingle erosion may also be a threat.

Management and conservation
Protection of important shingle sites from exploitation for gravel and excessive damage by vehicles is needed.

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 72 records with adult season information)


background methodology

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

no subhabitat data available

Structural Habitat Data (based on 49 records with structural habitat information)

Habitat Detail and Method (based on 43 records with habitat detail and method information)

Recorded management for locations with Pseudeuophrys obsoleta

Recorded substrate and hydrology for locations with Pseudeuophrys obsoleta


Pseudeuophrys obsoleta
Pseudeuophrys obsoleta
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