Eurythyrea quercus
CR

Eurythyrea quercus

Unknown

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

Overview

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

The Grand Bupreste du Chêne faces severe population declines primarily due to the widespread loss and degradation of mature oak forests across its European range. Climate change and forest management practices that favor younger tree stands have significantly reduced the availability of suitable breeding habitat, while pollution and habitat fragmentation further threaten remaining populations.

Threat summary

Habitat

This species inhabits mature deciduous forests dominated by oak trees (Quercus species), particularly favoring old-growth stands with large, sun-exposed oak trunks. The larvae develop within the wood of living or recently dead oak trees, requiring specific microhabitat conditions found in well-established forest ecosystems.

TERRESTRIAL· major

Frequently asked questions

Why is Eurythyrea quercus classified as Critically Endangered?
Eurythyrea quercus is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. The Grand Bupreste du Chêne faces severe population declines primarily due to the widespread loss and degradation of mature oak forests across its European range. Climate change and forest management practices that favor younger tree stands have significantly reduced the availability of suitable breeding habitat, while pollution and habitat fragmentation further threaten remaining populations.
Where does Eurythyrea quercus live?
Eurythyrea quercus occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Eurythyrea quercus?
The main threats to Eurythyrea quercus 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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