Summary for Walckenaeria nodosa (Araneae)

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National Distribution

 
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Walckenaeria nodosa male Copyright: Tylan Berry
Identification difficulty rating: 3
Name: Walckenaeria nodosa
Authority: O.P.-Cambridge, 1873
Order: Arachnida: Araneae
Family: Linyphiidae
National Rarity status: NS
IUCN status: LC
Watching Brief: Amber

Records: 496
First Record: 1850
Latest Record: 2022

1992-on hectads: 98
Pre-1992 hectads: 111
Total hectads: 192

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About this species

Recorded altitude range
0m to 700m

Species text

Distribution
The species is widespread in Britain, but absent from much of southern and central England. It is a Palaearctic species widespread in northern and central Europe.

Habitat and ecology
W. nodosa is found in moss in woods and marshes and may be locally frequent in lowland bogs and damp heathland in the south of England. Limited data suggest adults occur in the autumn, winter and spring.

Status
The spider is uncommon throughout Britain and has shown an apparent long-term decline in most areas. Currently, it appears to be most widespread in Wales and Scotland.

Threats
Drainage of lowland bogs and destruction of heathland for agriculture and urban development represent potential threats. However, the species has a wide habitat preference and the reasons for the recent decline are not at all clear.

Management and conservation
Prevent drainage of lowland bogs and further loss of heathland to agriculture and urban development. More needs to be learnt of the ecology of this species before firm management recommendations can be made.

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 156 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 216 records with habitat information)

Broad subhabitat Data (based on 4 records with subhabitat information)

Structural Habitat Data (based on 96 records with structural habitat information)

Habitat Detail and Method (based on 148 records with habitat detail and method information)

Recorded management for locations with Walckenaeria nodosa

Recorded substrate and hydrology for locations with Walckenaeria nodosa

Images

Walckenaeria nodosa female
Walckenaeria nodosa female
Walckenaeria nodosa male
Walckenaeria nodosa male
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