Summary for Cercidia prominens (Araneae)

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National Distribution

 
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Cercidia prominens female Copyright: Peter Harvey
Identification difficulty rating: 3
Name: Cercidia prominens
Authority: (Westring, 1851)
Order: Arachnida: Araneae
Family: Araneidae
National Rarity status: NS
IUCN status: LC

Records: 514
First Record: 1897
Latest Record: 2017

1992-on hectads: 85
Pre-1992 hectads: 91
Total hectads: 144

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About this species

Recorded altitude range
0m to 700m

Species text

Distribution
The species is widespread in the southern half of Britain with few records in the south-west, Wales or northwards from Yorkshire to central Scotland. It is widespread in western and central Europe, but has not been recorded from Ireland.

Habitat and ecology
The species occurs mainly on heathland and calcareous grassland, perhaps preferring habitats with sparse vegetation. The orb webs of this spider lack the silken retreat and signal line typical of the family Araneidae. They are constructed in vegetation near to ground level and any disturbance may cause the spider to drop into the litter layer. Males are adult from spring to autumn. Adult females may be present all year.

Status
Recorded in 58 hectads since 1992, but showing an apparent decline of 46% in hectads with spider records both before and after that date (81 to 43), so a Watching Brief should be kept on this species. Generally uncommon.

Threats
Loss of heathland and calcareous grassland to agriculture and urban development are likely to the most important threats to this species.

Management and conservation
Prevent further loss of heathland and calcareous grassland in areas where it occurs.

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 107 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 212 records with habitat information)

Broad subhabitat Data (based on 11 records with subhabitat information)

Structural Habitat Data (based on 49 records with structural habitat information)

Habitat Detail and Method (based on 68 records with habitat detail and method information)

Recorded management for locations with Cercidia prominens

Recorded substrate and hydrology for locations with Cercidia prominens

Images

Cercidia prominans- Female
Cercidia prominans- Female
Cercidia prominans- male
Cercidia prominans- male
Cercidia prominens male
Cercidia prominens male
Cercidia prominens female
Cercidia prominens female
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