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Tree pests and diseases

Tree pests and diseases

Trees and woods are crucial. They provide homes for wildlife, clean air and water, food and fuel.

But they're under threat.

60 million trees have been taken by Dutch Elm disease

We will lose at least 80% of ash trees from our landscape in the coming decades

At least 20 introduced pests and diseases are attacking our native trees, six have reached epidemic levels. And at least 11 more diseases are nearing our borders.

These are the main pests and diseases affecting the UK's native trees