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Forest pests in 21st century Britain: a review of impacts and management

This Journal Article provides a comprehensive assessment of forest pests in Britain, identifying 56 pest species of concern. Fifteen are native, while the remainder originate from mainland Europe (27), Asia (10), North America (9), and Australia (1).

Published:
23rd September 2026
Author(s):
Fiona Burnett, Gail Jackson, Henry Creissen, Katrina Dainton, Mariella Marzano, Max Blake
Publication type:

Threats to trees and forests from insect pests are increasing as a result of the globalisation of trade and climate change. Impacts are greatest when insects attack hosts lacking evolutionary resistance. Preventing the establishment of new, non-native forest pests – defined here as insect species posing economic or ecological risks to trees – and reducing damage from existing ones is essential for sustaining forest ecosystem services, including timber production, carbon sequestration, and biodiversity. This Journal Article provides a comprehensive assessment of forest pests in Britain, identifying 56 pest species of concern. Fifteen are native, while the remainder originate from mainland Europe (27), Asia (10), North America (9), and Australia (1).

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