Summary for Clubiona norvegica (Araneae)

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National Distribution

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Identification difficulty rating: 3
Name: Clubiona norvegica
Authority: Strand, 1900
Order: Arachnida: Araneae
Family: Clubionidae
National Rarity status: NS
IUCN status: LC
Watching Brief: Amber

Records: 168
First Record: 1897
Latest Record: 2017

1992-on hectads: 27
Pre-1992 hectads: 29
Total hectads: 51

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About this species

Recorded altitude range
120m to 580m

Species text

The species is widespread in Wales, but widely scattered elsewhere, mainly on high ground in the Pennines, North Yorkshire Moors and Scotland. It has been recorded from the Scandinavian countries, Germany, Austria, the Czech Republic and Poland.

Habitat and ecology
C. norvegica occurs in wet places, mainly on high moorland, among moss and Sphagnum. Adults are found in early spring (males in February and March) and autumn, and possibly for most of the year.

Recorded from 17 hectads since 1992, but showing an apparent decline of about 50% in hectads with spider records both before and after that date (30 to 14). However, most of the apparent decline is in Wales where wetland sites were the subject of a detailed invertebrate survey in the 1980s, added to which its rather inaccessible habitat may have resulted in recent under-recording, hence we prefer to treat this as not threatened, but with a Watching Brief. Where it does occur it may be numerous.

Possibly drainage and the loss of open moorland to afforestation at some sites.

Management and conservation
Wet moorland should be maintained by traditional 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 33 records with adult season information)


background methodology

Broad Habitat Data (based on 56 records with habitat information)

Broad subhabitat Data (based on 3 records with subhabitat information)

Structural Habitat Data (based on 28 records with structural habitat information)

Habitat Detail and Method (based on 31 records with habitat detail and method information)

Recorded management for locations with Clubiona norvegica

Recorded substrate and hydrology for locations with Clubiona norvegica


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