Summary for Evarcha arcuata (Araneae)

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National Distribution

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Evarcha arcuata male from front Copyright: Peter Harvey
Identification difficulty rating: 3
Name: Evarcha arcuata
Authority: (Clerck, 1757)
Order: Arachnida: Araneae
Family: Salticidae
National Rarity status: NS
IUCN status: LC

Records: 774
First Record: 1900
Latest Record: 2022

1992-on hectads: 53
Pre-1992 hectads: 41
Total hectads: 65

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About this species

Recorded altitude range
0m to 673m

Species text

The species is largely confined to central southern and south-eastern England, but it has also been recorded in Staffordshire, Shropshire and Cardiganshire, and in 1999 the species was discovered at Hatfield Moors in Yorkshire. It is widespread in north-western and central Europe, but has not been recorded from Ireland.

Habitat and ecology
E. arcuata occurs mainly on old heathland in damp areas, sometimes in bog, often with some scrub present, but sometimes on dry heathland and other similar low shrubby vegetation. Adults of both sexes are found from May to August and males have been recorded in September and October.

Recorded from 36 hectads since 1992, with no evidence of any decline. It may be common where it occurs.

The loss of heathland to agriculture, afforestation and development. Most of Hatfield Moors have already been destroyed, and peat exploitation continues on vast tracts surrounding the small remaining refuge. Drainage of the surrounding land has lowered the water table to a point where the lowland raised mire is in imminent danger of being completely lost to woodland.

Management and conservation
Maintain some patches of mature, damp heathland with scrub. At Hatfield Moors efforts are being made to raise the water table in the surviving area of mire.

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 262 records with adult season information)


background methodology

Broad Habitat Data (based on 172 records with habitat information)

Broad subhabitat Data (based on 20 records with subhabitat information)

Structural Habitat Data (based on 77 records with structural habitat information)

Habitat Detail and Method (based on 136 records with habitat detail and method information)

Recorded management for locations with Evarcha arcuata

Recorded substrate and hydrology for locations with Evarcha arcuata


Evarcha arcuata female 2 2022-06-21
Evarcha arcuata female 2 2022-06-21
Evarcha actuata female 2022-06-21
Evarcha actuata female 2022-06-21
E. arcuata males fighting over female hiding in leaf
E. arcuata males fighting over female hiding in leaf
Evarca arcuata female
Evarca arcuata female
Evarcha arcuata male from front
Evarcha arcuata male from front
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