Summary for Centromerus serratus (Araneae)

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National Distribution

 
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Identification difficulty rating: 4
Name: Centromerus serratus
Authority: (O.P.-Cambridge, 1875)
Order: Arachnida: Araneae
Family: Linyphiidae
BAP status: UKBAP
National Rarity status: NR
IUCN status: EN, criteria: B2ab(ii)

Records: 68
First Record: 1900
Latest Record: 2007

1992-on hectads: 6
Pre-1992 hectads: 17
Total hectads: 23

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About this species

Recorded altitude range
3m to 700m

Species text

Distribution
The species is confined to the south of England, mainly the counties of Dorset, Hampshire, Surrey and Essex. It is uncommon in Europe and has not been recorded from Ireland or Scandinavia.

Habitat and ecology
C. serratus occurs in litter and moss under pine, beech and oak, and in moss on chalk grassland and acid grassland. It is probably most abundant in deep beech litter. Both sexes are adult from November to March, females also in April.

Status
UK Biodiversity Action Plan priority species. Area of occupancy limited. Showing a major decline.

Threats
The loss of old beech woods. This species has been found in litter in pine plantations, but under pine is more often in clumps of moss mixed with litter than in pure pine litter, and therefore is usually more frequent in semi-natural woodland.

Management and conservation
Maintain old beech woods with deep litter layer, and areas of old pine with associated moss and heather on heathland.

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 19 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 24 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 17 records with structural habitat information)

Habitat Detail and Method (based on 16 records with habitat detail and method information)

Recorded management for locations with Centromerus serratus

Recorded substrate and hydrology for locations with Centromerus serratus

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