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Wider's Tree-chernes

Allochernes wideri

Unknown

Overview

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

Wider's Tree-chernes faces severe habitat degradation due to deforestation and agricultural expansion across its limited range in Central European deciduous forests. The species' dependence on specific microhabitats within old-growth tree bark makes it particularly vulnerable to logging activities and forest fragmentation. Climate change poses an additional threat by altering the moisture and temperature conditions essential for this pseudoscorpion's survival and reproduction.

Threat summary

Habitat

Wider's Tree-chernes inhabits the bark crevices and under-bark spaces of mature deciduous trees, particularly in old-growth Central European forests. The species requires specific moisture and temperature conditions found in well-established forest ecosystems with minimal human disturbance.

Frequently asked questions

Why is Wider's Tree-chernes classified as Endangered?
Wider's Tree-chernes is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Wider's Tree-chernes faces severe habitat degradation due to deforestation and agricultural expansion across its limited range in Central European deciduous forests. The species' dependence on specific microhabitats within old-growth tree bark makes it particularly vulnerable to logging activities and forest fragmentation. Climate change poses an additional threat by altering the moisture and temperature conditions essential for this pseudoscorpion's survival and reproduction.
Where does Wider's Tree-chernes live?
Wider's Tree-chernes occurs in Austria, Belgium, Bulgaria, Denmark, Estonia, and Finland (plus 9 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 Wider's Tree-chernes?
The main threats to Wider's Tree-chernes 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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