Summary for Neriene emphana (Araneae)

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National Distribution

 
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Female in its web Copyright: Lars Bruun
Identification difficulty rating: 4
Name: Neriene emphana
Authority: (Walckenaer, 1841)
Order: Arachnida: Araneae
Family: Linyphiidae
IUCN status: NA

Records: 2
First Record: 2000
Latest Record: 2000

1992-on hectads: 1
Pre-1992 hectads: 0
Total hectads: 1

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About this species

Recorded altitude range

Species text

Distribution
The species was discovered in Britain in August 2000 on the Isle of Wight in Brighstone Forest, at over 500 ha the largest area of woodland on the island. N. emphana is widespread on the European continent as far north as Denmark and southern Finland, occurring east across temperate regions of Eurasia to China and Japan.

Habitat and ecology
N. emphana typically occurs on the lower branches of trees and bushes in dark woods, both coniferous and broad-leaved, sometimes associated with beech. The British specimen was beaten from a shaded holly tree at the edge of a rather dark and gloomy mature beech forest with scattered yew and some sycamores along a forest road. Linyphia triangularis was common on the same tree. The sheet web, which may be slightly domed, is built on the lower branches of trees, but well off the ground. It is mature in summer.

Status
A single female has been found. The spider is probably a relatively recent arrival, but does not seem to have followed the example of Small Red-eyed Damselfly Erythromma viridulum which had been spreading north on the European mainland and was unknown in Britain prior to its initial discovery in Essex in 1999 (Cham 2001), colonised the Isle of Wight, being discovered at several sites on the island in 2000 and is now found widely in southern England.

Threats
If it becomes established, the spider is unlikely to be threatened.

Management and conservation
No specific management is likely to be needed other than protection of the natural vegetation structure and topography.

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 2 records with adult season information)


Habitats

background methodology

no broad habitat data available

no subhabitat data available

Structural Habitat Data (based on 1 records with structural habitat information)

Habitat Detail and Method (based on 1 records with habitat detail and method information)

Recorded management for locations with Neriene emphana

Recorded substrate and hydrology for locations with Neriene emphana

Images

Female in its web
Female in its web
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