woudkrabspin
VU

woudkrabspin

Xysticus luctuosus

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Xysticus_luctuosus

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Xysticus luctuosus faces severe habitat degradation from intensive agricultural practices and urban development across its limited European range. The species' specialized requirements for undisturbed woodland edges and heathland make it particularly vulnerable to habitat fragmentation. Climate change is altering the microhabitat conditions this crab spider depends on, while pesticide use in adjacent agricultural areas poses additional contamination risks.

Threat summary

Habitat

This crab spider inhabits woodland edges, heathlands, and semi-natural grasslands across parts of Europe, requiring specific microhabitat conditions with appropriate vegetation structure for hunting. The species shows preference for areas with mixed herbaceous plants and low shrubs that provide both hunting grounds and shelter.

Other threatened species in Thomisidae

Goldenrod Crab SpiderVU

Goldenrod Crab Spider

Misumena vatia

Unknown
heidekrabspinCR

heidekrabspin

Xysticus acerbus

Unknown
EN

Pistius truncatus

Unknown
EN

Ozyptila atomaria

Unknown

Threatened in Åland Islands

Calidris ferrugineaVU

Calidris ferruginea

Declining
VU

Syndyas nigripes

Unknown
Chrysotus cupreusCR

Chrysotus cupreus

Unknown
VU

narulukkokiiluri

Syntormon filiger

Unknown

Frequently asked questions

Why is woudkrabspin classified as Vulnerable?
woudkrabspin is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Xysticus luctuosus faces severe habitat degradation from intensive agricultural practices and urban development across its limited European range. The species' specialized requirements for undisturbed woodland edges and heathland make it particularly vulnerable to habitat fragmentation. Climate change is altering the microhabitat conditions this crab spider depends on, while pesticide use in adjacent agricultural areas poses additional contamination risks.
Where does woudkrabspin live?
woudkrabspin occurs in Åland Islands, Austria, Belarus, Belgium, Canada, and Croatia (plus 21 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to woudkrabspin?
The main threats to woudkrabspin are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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