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Bugs on planes: volunteers hunt for new insect threat to iconic trees

Hardy volunteers are scouring trees across the UK in search of a hitchhiking bug that has made its way to our shores.

Trees woods and wildlife

Pine hawk-moth

A master of disguise, both as caterpillar and moth. The pine hawk-moth lives up to its name, laying its eggs on pine needles for its caterpillars to feast on.

Position statement

Ash dieback – the Woodland Trust's position

Ash dieback, caused by the non-native invasive fungus Hymenoscyphus fraxineus, presents a major threat to the UK’s treescape on a scale not seen since the Dutch elm disease epidemic of the 1970s.

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Trees woods and wildlife

Scaly male fern

Poised, damp-loving, hardy. The scaly male fern is a tough old specimen that thrives in damp woodland, as well as on open heaths and hillsides.