We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use forestresearch.gov.uk, remember your settings and improve our services.
Preparing to search
You might have to have other work, such as pruning, felling, pollarding or tree surgery, carried out on your oak trees in OPM-affected areas.
Any work on trees can be hazardous, but working on OPM-infested oak trees carries the additional risks of:
However, before you start such work you should find out whether the trees concerned are covered by a Tree Preservation Order (TPO). To do this, contact your local council's tree officers, who are often based in the development control or planning department. If a TPO is in place, you will need to discuss the planned work with them to see whether prior permission is needed.
There might also be restrictions in place if the tree is in a Conservation Area. If it is you should again seek advice from your council.
Because of the additional hazards which OPM presents, this work should only be done by reputable tree surgeons or forestry workers. They must be familiar with the measures required or recommended to prevent the accidental spread of pests in the oak material removed. These are set out in our Good practice guide for handling oak material in areas affected by OPM.
They should also be familiar with the precautions needed to protect their own health and safety (see Section 8: Occupational health).
If OPM nests or caterpillars are found on a tree after arboricultural work on it has begun, the work should be stopped as soon as the tree has been made safe. The area should be cordoned off and signed to warn others that OPM is present. The finding must be reported to us via TreeAlert. Work should not resume until the nests and caterpillars (larvae) have been appropriately removed and destroyed.
Next – Good practice guide for handling oak material in OPM areas
Cookies are files saved on your phone, tablet or computer when you visit a website.
Find out more about cookies on forestresearch.gov.uk
We use 3 types of cookie. You can choose which cookies you're happy for us to use.
These essential cookies do things like remember your progress through a form. They always need to be on.
We use Google Analytics to measure how you use the website so we can improve it based on user needs. Google Analytics sets cookies that store anonymised information about: how you got to the site the pages you visit on forestresearch.gov.uk and how long you spend on each page what you click on while you're visiting the site
Some forestresearch.gov.uk pages may contain content from other sites, like YouTube or Flickr, which may set their own cookies. These sites are sometimes called ‘third party’ services. This tells us how many people are seeing the content and whether it’s useful.