Summary for Xerolycosa nemoralis (Araneae)

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National Distribution

 
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Xerolycosa nemoralis at Pulborough Brooks Heathland Copyright: Nik Nimbus
Identification difficulty rating: 3
Name: Xerolycosa nemoralis
Authority: (Westring, 1861)
Order: Arachnida: Araneae
Family: Lycosidae
National status: Nb

Records: 648
First Record: 1900
Latest Record: 2016

1992-on hectads: 68
Pre-1992 hectads: 45
Total hectads: 93

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About this species

Recorded altitude range
1m to 700m

Species text

Distribution
The species is widely distributed in southern England except in the southwest. It is widespread in western and central Europe.

Habitat and ecology
X. nemoralis occurs in dry litter and bark in coppiced areas or clearings in woods, on short stony chalk grassland, on recently burnt heathland (up to about 4 years after fire) or bare patches on older heathland. It has occurred in large numbers, almost to the exclusion of other lycosids, on sparsely vegetated rail ballast in a disused railway marshalling yard and on sparsely vegetated ground at post-industrial sites. The spider is extremely well camouflaged against its background, populations having a more greyish or pinkish tinge according to the surrounding substrate. Adults of both sexes are found in summer.

Status
The spider is abundant at some sites in the south-east of England (mainly in Kent, Surrey, Sussex and southern Hampshire), but is very local and has shown some decline in the past 30 years. On heathland it seems to get scarcer in the west of its range.

Threats
The loss of semi-natural woodland to intensive forestry, the loss of chalk grassland to agriculture, the loss of heathland to agriculture, forestry and development and the loss of post-industrial sites to development.

Management and conservation
Maintain open clearings and rides with dry leaf and bark litter and reintroduce or maintain coppice cycles in woods, maintain short chalk grassland by grazing, and maintain all seral stages of heather by rotational management.

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 279 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 209 records with habitat information)

Broad subhabitat Data (based on 2 records with subhabitat information)

Structural Habitat Data (based on 244 records with structural habitat information)

Habitat Detail and Method (based on 157 records with habitat detail and method information)

Recorded management for locations with Xerolycosa nemoralis

Recorded substrate and hydrology for locations with Xerolycosa nemoralis

Images

Xerolycosa nemoralis at Pulborough Brooks Heathland
Xerolycosa nemoralis at Pulborough Brooks Heathland
Xerolycosa nemoralis
Xerolycosa nemoralis
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