Norfolk Tortrix
VU

Norfolk Tortrix

Archips betulana

Unknown

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

Overview

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

The Norfolk Tortrix faces severe habitat loss due to urban development and agricultural intensification across its limited range in Norfolk, England. Climate change poses additional risks through altered precipitation patterns that affect the birch and alder trees essential for larval development. The species' extremely restricted distribution makes it particularly vulnerable to local environmental changes and habitat fragmentation.

Threat summary

Habitat

The Norfolk Tortrix inhabits deciduous woodland edges and scrubland dominated by birch (Betula) and alder (Alnus) trees in Norfolk, England. The species requires specific microhabitat conditions with adequate moisture levels and native tree species for successful larval development.

TERRESTRIAL· major

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Frequently asked questions

Why is Norfolk Tortrix classified as Vulnerable?
Norfolk Tortrix 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 Norfolk Tortrix faces severe habitat loss due to urban development and agricultural intensification across its limited range in Norfolk, England. Climate change poses additional risks through altered precipitation patterns that affect the birch and alder trees essential for larval development. The species' extremely restricted distribution makes it particularly vulnerable to local environmental changes and habitat fragmentation.
Where does Norfolk Tortrix live?
Norfolk Tortrix occurs in Åland Islands, Albania, Austria, China, Denmark, and Estonia (plus 12 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 Norfolk Tortrix?
The main threats to Norfolk Tortrix 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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