Call to All Tree Wardens To Look Out For Damaging New Pest
You might have heard that the damaging tree pest Oriental chestnut gall wasp (Dryocosmus kuriphilus
) has been discovered in sweet chestnut (Castanea sativa
) trees in Kent. We are anxious to find out whether there are other outbreaks elsewhere, and hope you can help by checking any sweet chestnut trees in your neighbourhood and reporting any sightings of galls to the Forestry Commission. We are only interested in sightings of galls on Sweet Chestnut in this instance.
To report sightings email email@example.com;
or call 0300 067 4000 ( 08.30 - 17.00 Monday to Friday)
When reporting sightings, please be sure to:
• Provide a precise location of the tree/s. An Ordnance Survey 10-digit grid reference is ideal; otherwise provide a full address, including the full postcode; and/or precise instructions for finding the tree/s, e.g. “35 metres north-west of the park entrance in XXX Street”;
• provide a telephone number where we can reach you during the daytime to clarify any points; and
• provide a clear, well lit photo if you can.
Note that you are unlikely to see the wasps, which are less than 3mm long.
A useful PDF of a symptoms guide is available, and there are versions on the Forestry Commission website at www.forestry.gov.uk/gallwasp
Thank you in advance for any help you can provide, which will be a valuable supplement to the plant health authorities' own efforts.
Photographs crown copyright courtesy of the Forestry Commission