Summary for Pardosa trailli (Araneae)

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National Distribution

 
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Pardosa trailli male Copyright: Richard Gallon
Identification difficulty rating: 4
Name: Pardosa trailli
Authority: (O.P.-Cambridge, 1873)
Order: Arachnida: Araneae
Family: Lycosidae
National Rarity status: NR
IUCN status: VU, criteria: B2ab(ii,iv)

Records: 35
First Record: 1872
Latest Record: 2012

1992-on hectads: 4
Pre-1992 hectads: 15
Total hectads: 18

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About this species

Recorded altitude range
730m to 1300m

Species text

Distribution
The species occurs in mountainous areas in Wales, the Lake District and Scotland. P. trailli has been recorded from Sweden and Norway.

Habitat and ecology
It occurs in open stony ground on mountains, especially on scree. Both sexes are adult in May and June, and females until August.

Status
The spider is very local, but has been frequent at some sites. The species is apparently much more restricted than many other montane species and records suggest a major long term decline. It is known from only three locations since 1992. Area of occupancy has declined by 79% from 14 hectads prior to 1992 to just three since that date, but the habitat is almost certainly under-recorded

Threats
The spider's mountain habitat is vulnerable to damage through recreational pressure.

Management and conservation
Limit damage to montane vegetation as a result of recreational pressures.

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 11 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 10 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 8 records with structural habitat information)

Habitat Detail and Method (based on 4 records with habitat detail and method information)

Recorded management for locations with Pardosa trailli

Recorded substrate and hydrology for locations with Pardosa trailli

Images

Pardosa trailli male
Pardosa trailli male
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