Thursday 17 November 2005

Swamp Crab Spider (Xysticus ulmi)

OTHER NAMES: N/A
Latin Etymology: Xysticus ("athlete") ulmi ("elms")
Adult female Swamp Crab Spider (Xysticus ulmi) at Geddington, Northants - May 2019

Featured Subspecies: ?
Weight: ?  /  Length: 3-8.3cm
UK STATUS NOT EVALUATED / IUCN Red List: Not Yet Evaluated 

A fairly widely distributed species of spider, it seems to favour East Anglia within the UK, although it is widespread in Central and Western Europe. It favours damp habitats and is seen primarily in May and June.  It is sexually dimorphic, with the males being much darker brown in colour than the pictured female.

Related Species:
Order: Araneae
Family: Thomisidae
Genus: Xysticus
SUBSPECIES: none - monotypic 

 - Sighting Locations -
UNITED KINGDOM - A common resident of Southern and Eastern England - scarcer elsewhere,
 - Seen at Geddington.

Further Notes: BirdForum Opus, IUCN Red List, RSPB, Wikipedia, Xeno-canto

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