Summary for Haplodrassus silvestris (Araneae)

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National Distribution

 
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Identification difficulty rating: 3
Name: Haplodrassus silvestris
Authority: (Blackwall, 1833)
Order: Arachnida: Araneae
Family: Gnaphosidae
National Rarity status: NS
IUCN status: VU

Records: 159
First Record: 1833
Latest Record: 2016

1992-on hectads: 20
Pre-1992 hectads: 26
Total hectads: 41

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About this species

Recorded altitude range
20m to 700m

Species text

Distribution
The species has been recorded from the south coast of England to Perthshire, but is widely scattered except in the south-east. The species is widespread in northern and central Europe.

Habitat and ecology
The spider is found in woodland, amongst litter, under bark, stones, etc. In Essex it appears to be confined to woodlands on sandy soils, occurring in chestnut coppice or other broad-leaved woodland, or nearby heathland and grassland areas. Adults occur in spring, summer and autumn, perhaps mainly during early to mid-summer.

Status
Local and apparently never numerous, the species appears to have undergone a long term decline.

Threats
The loss of broad-leaved woodland and clearance of dead wood. The loss of open areas in woodland through neglect and the cessation of coppicing. The intensive coniferisation of broad-leaved woods may destroy suitable habitat.

Management and conservation
Maintain broad-leaved and coppice woodland. Retain any dead wood and ground cover.

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 79 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 46 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 71 records with structural habitat information)

Habitat Detail and Method (based on 68 records with habitat detail and method information)

Recorded management for locations with Haplodrassus silvestris

Recorded substrate and hydrology for locations with Haplodrassus silvestris

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