Xysticus erraticus


A very distinctively marked member of the family, but it can be quite variable. Microscopic examination of the genitalia is necessary to confirm identification.

Identification difficulty
ID guidance

Confirmation requires microscopic examination of the genitalia of adult specimens. 

Recording advice

Identification of this species  "Requires examination at high magnification in good lighting, typically examination of the genitalia." Bee, L., Oxford, G., & Smith, H. (2020). Britain's Spiders: A Field Guide. Second Edition. Princeton University Press.


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.

When to see it

Adults are recorded from March to October.

Life History

This spider is a crab spider and builds no web but hunts at ground level.

UK Status

A local species which has a widespread but patchy and scattered distribution in Britain.

VC55 Status

Occasional in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map