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Pests and diseases can have a significant impact on the health of our plants, trees and woodlands.

First published:
21 May 2021
Last updated:

Threats to plants and trees from pests and diseases are increasing as a result of climate change and globalisation. Over the past few decades, new plant and tree pests and diseases have been found in the UK. Some have become established with serious economic, social and environmental consequences.

We have set out in the GB Plant Biosecurity strategy how we plan to respond to the threats of plant pests and diseases.

You can find information on a wider range of plant and tree pests and diseases at:

Across Wales, we have trained inspectors from:

They undertake routine and rapid response surveys. They check woods, ports, nurseries and other locations for signs of pests and diseases.

Spotted a pest or disease?

You can find information to help you identify pests and diseases at Forest Research.

If you suspect a tree of having a pest or disease, report it. Give as much information as you can, including the location, photos and the species affected.