Summary for Tiso aestivus (Araneae)

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National Distribution

 
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Identification difficulty rating: 4
Name: Tiso aestivus
Authority: (L.Koch, 1872)
Order: Arachnida: Araneae
Family: Linyphiidae
National Rarity status: NS
IUCN status: LC

Records: 159
First Record: 1913
Latest Record: 2015

1992-on hectads: 36
Pre-1992 hectads: 21
Total hectads: 50

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About this species

Recorded altitude range
700m to 1176m

Species text

Distribution
The species has been recorded from North Wales, the Lake District and Scotland. It is a boreo-alpine species in Europe.

Habitat and ecology
T. aestivus occurs under stones on mountains above 600 m. Adults of both sexes are found from May to August.

Status
The spider is local and not common on high mountains. All recent records are from Scotland, where it is widespread, except one in N. Wales.

Threats
At some sites, recreational development (including for skiing) could represent a threat. In the longer term, global warming as a result of climate change represents a threat to this and other montane species in Britain. The ecology of this species requires further research to determine what threats it faces at present.

Management and conservation
Protect montane sites from excessive recreational development.

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 25 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 26 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 18 records with structural habitat information)

Habitat Detail and Method (based on 12 records with habitat detail and method information)

Structural habitat by month

Recorded management for locations with Tiso aestivus

Recorded substrate and hydrology for locations with Tiso aestivus

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