Find a specific tree pest or disease

Find out about a specific tree pest or disease, including its lifecycle, the type of damage it does, and what to do about it.

The pests and diseases listed below are either present in Great Britain or posing the greatest threat of entering.

Some of the information below is still being developed, and will be fully updated by March 2019.

Tree pests in alphabetical order

Tree diseases in alphabetical order

Published 26 September 2018