VU

Leioderes kollari

Local name: lönnbock

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Overview

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

The lönnbock faces severe pressure from the ongoing loss and fragmentation of old-growth deciduous forests across its European range. Climate change compounds these threats by altering the composition of forest ecosystems and reducing the availability of suitable host trees. The species' dependence on specific microhabitat conditions within mature forest stands makes it particularly vulnerable to logging activities and forest management practices that favor younger, more uniform tree stands.

Threat summary

Habitat

The lönnbock inhabits mature deciduous and mixed forests, particularly those dominated by maple, beech, and oak trees. This longhorn beetle requires old-growth forest conditions with dead and dying wood, where larvae develop in the decaying timber of broadleaved trees.

Frequently asked questions

Why is lönnbock classified as Vulnerable?
lönnbock 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. The lönnbock faces severe pressure from the ongoing loss and fragmentation of old-growth deciduous forests across its European range. Climate change compounds these threats by altering the composition of forest ecosystems and reducing the availability of suitable host trees. The species' dependence on specific microhabitat conditions within mature forest stands makes it particularly vulnerable to logging activities and forest management practices that favor younger, more uniform tree stands.
Where does lönnbock live?
lönnbock occurs in Austria, Belarus, Bosnia & Herzegovina, Croatia, Czechia, and France (plus 14 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 lönnbock?
The main threats to lönnbock 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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