Summary for Centromerus incilium (Araneae)

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National Distribution

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Identification difficulty rating: 3
Name: Centromerus incilium
Authority: (L.Koch, 1881)
Order: Arachnida: Araneae
Family: Linyphiidae
National Rarity status: NS
IUCN status: LC

Records: 360
First Record: 1900
Latest Record: 2023

1992-on hectads: 32
Pre-1992 hectads: 21
Total hectads: 45

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About this species

Recorded altitude range
1m to 200m

Species text

Apart from old (doubtful?) records from Aberdeenshire, the species is confined to south-central and south-eastern England. It is widespread but uncommon in north-western and central Europe. It has not been recorded from Ireland.

Habitat and ecology
C. incilium occurs mainly on chalk grassland and on sandy grassland in Essex and Breckland, in both long and short grass, occasionally on arable land. It has occurred on roadside verges and in old chalk and sand pits especially on sparsely vegetated ground and lichen heath. Both sexes are adult from autumn to late spring with a peak in winter, females also until June.

Although recorded from 16 hectads since 1992, only twelve of these are where spiders were recorded both before and after this date. It shows a moderate decline, hence the Watching Brief.

The loss of grassland to agriculture or forestry.

Management and conservation
Maintain grassland by traditional grazing or periodic scraping to return to early succession.

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 168 records with adult season information)


background methodology

Broad Habitat Data (based on 63 records with habitat information)

Broad subhabitat Data (based on 7 records with subhabitat information)

Structural Habitat Data (based on 158 records with structural habitat information)

Habitat Detail and Method (based on 154 records with habitat detail and method information)

Recorded management for locations with Centromerus incilium

Recorded substrate and hydrology for locations with Centromerus incilium


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