Summary for Xysticus erraticus (Araneae)

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National Distribution

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Xysticus erraticus male Copyright: Peter Harvey
Identification difficulty rating: 3
Name: Xysticus erraticus
Authority: (Blackwall, 1834)
Order: Arachnida: Araneae
Family: Thomisidae
IUCN status: LC

Records: 1448
First Record: 1861
Latest Record: 2022

1992-on hectads: 290
Pre-1992 hectads: 215
Total hectads: 439

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About this species

Recorded altitude range
0m to 700m

Species text

The species has a widespread but patchy and scattered distribution in Britain. It is widespread in western and central Europe as far north as southern Norway.

Habitat and ecology
Principally a grassland and heathland spider with a penchant for shorter swards such as those found on grazed calcareous grassland, upland base-rich flushes or disturbed sites such as quarries. This habitat distribution in Britain agrees well with that found in central Europe (see Hanggi et al. (1995)), although it may also be found in forests. In Essex the spider is only found in unimproved grassland or heathland (P.R. Harvey, pers. comm.). Adults are recorded from March to October, with a single female recorded in January. Coleman (1977) shows one peak in male activity in September, whilst Merrett (1967) shows peaks in June and September. Our data indicate two peaks, in the south in May and August/September, and further north in August and October.


Original author of profile: J.R. Bell

Text based on Harvey, P.R., Nellist, D.R. & Telfer, M.G. (eds) 2002. Provisional atlas of British spiders (Arachnida, Araneae), Volumes 1 & 2. Huntingdon: Biological Records Centre.  References

Adult Season

Adult Season Data (based on 544 records with adult season information)


background methodology

Broad Habitat Data (based on 514 records with habitat information)

Broad subhabitat Data (based on 13 records with subhabitat information)

Structural Habitat Data (based on 391 records with structural habitat information)

Habitat Detail and Method (based on 445 records with habitat detail and method information)

Recorded management for locations with Xysticus erraticus

Recorded substrate and hydrology for locations with Xysticus erraticus


Xysticus erraticus female
Xysticus erraticus female
Xysticus erraticus
Xysticus erraticus
Xysticus erraticus male
Xysticus erraticus male
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