Smaller European Elm Bark Beetle
VU

Smaller European Elm Bark Beetle

Scolytus multistriatus

Unknown

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

Overview

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

The Smaller European Elm Bark Beetle faces significant population declines primarily due to widespread elm tree mortality from Dutch elm disease, which has eliminated much of its host tree population across Europe and North America. Habitat fragmentation from urban development and forest management practices has further reduced available breeding sites. Climate change is altering the distribution and health of remaining elm populations, while pesticide applications targeting the beetle as a disease vector continue to impact wild populations.

Threat summary

Habitat

This bark beetle inhabits elm trees (Ulmus species) across temperate forests, urban parks, and woodland edges throughout Europe and introduced populations in North America. Adults bore into elm bark to create galleries for reproduction, requiring both healthy trees for feeding and stressed or dying elms for successful breeding.

TERRESTRIAL· majorTERRESTRIAL· major

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Frequently asked questions

Why is Smaller European Elm Bark Beetle classified as Vulnerable?
Smaller European Elm Bark Beetle 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 Smaller European Elm Bark Beetle faces significant population declines primarily due to widespread elm tree mortality from Dutch elm disease, which has eliminated much of its host tree population across Europe and North America. Habitat fragmentation from urban development and forest management practices has further reduced available breeding sites. Climate change is altering the distribution and health of remaining elm populations, while pesticide applications targeting the beetle as a disease vector continue to impact wild populations.
Where does Smaller European Elm Bark Beetle live?
Smaller European Elm Bark Beetle occurs in Argentina, Australia, Austria, Belgium, Bulgaria, and Canada (plus 25 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 Smaller European Elm Bark Beetle?
The main threats to Smaller European Elm Bark Beetle 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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