Summary for Episinus truncatus (Araneae)

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National Distribution

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Episinus truncatus male Copyright: Vicky Gilson
Identification difficulty rating: 3
Name: Episinus truncatus
Authority: Latreille, 1809
Order: Arachnida: Araneae
Family: Theridiidae
National Rarity status: NS
IUCN status: LC

Records: 388
First Record: 1922
Latest Record: 2022

1992-on hectads: 68
Pre-1992 hectads: 44
Total hectads: 86

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About this species

Recorded altitude range
5m to 160m

Species text

The species has been recorded from southern Britain between Cornwall and Kent, and also in Glamorgan and Caernarvonshire in Wales. E. truncatus is widespread in Europe.

Habitat and ecology
This species has been recorded from lowland heathland and maritime grassland. This species spins a simple web beneath the heather. It has also been found beneath mats of rock-rose in Wales on coastal grassland (Alexander and Fowles 1996) and from amongst grass tussocks on the Lizard, Cornwall (Smithers 1998). Adults have been recorded from May to September.

Although recorded from 30 hectads since 1992, this species shows an apparent decline of 40% in hectads with spider records both before and after that date (40 to 24). However, southern heathland is known to be under-recorded for spiders recently.

The loss of heathlands and maritime grasslands to agriculture or forestry. Erosion of habitat due to public pressure.

Management and conservation
Heathlands should be managed to maintain a mosaic of age classes.

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 78 records with habitat information)

Broad subhabitat Data (based on 1 records with subhabitat information)

Structural Habitat Data (based on 84 records with structural habitat information)

Habitat Detail and Method (based on 120 records with habitat detail and method information)

Recorded management for locations with Episinus truncatus

Recorded substrate and hydrology for locations with Episinus truncatus


Episinus truncatus female
Episinus truncatus female
Episinus truncatus male
Episinus truncatus male
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