Summary for Lasaeola tristis (Araneae)

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National Distribution

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Female eating an ant Copyright: Lars Bruun
Identification difficulty rating: 4
Name: Lasaeola tristis
Authority: (Hahn, 1833)
Order: Arachnida: Araneae
Family: Theridiidae
National Rarity status: NS
IUCN status: LC

Records: 123
First Record: 1900
Latest Record: 2022

1992-on hectads: 28
Pre-1992 hectads: 9
Total hectads: 29

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About this species

Recorded altitude range
30m to 100m

Species text

This spider is confined to southern England, recorded from south Devon, Dorset, Hampshire, the Isle of Wight, Surrey and Kent. It is widespread but slightly less rare in northern Europe.

Habitat and ecology
Most records for this species are from heathland but it also occurs in grasslands. It is usually found on gorse but it has also been recorded from young pines, heather and other bushes. It preys on ants which are caught with a minimal web consisting of a few sticky threads. Adults occur from May to July.

Occurring in twelve 10-km squares since 1992.

Loss of suitable habitat to afforestation and agriculture.

Management and conservation
Ensure the presence of older patches of heather on heathlands

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 60 records with adult season information)


background methodology

Broad Habitat Data (based on 19 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 22 records with structural habitat information)

Habitat Detail and Method (based on 36 records with habitat detail and method information)

Recorded management for locations with Lasaeola tristis

Recorded substrate and hydrology for locations with Lasaeola tristis


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