Forestry and Tree Health Resources
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Detailed descriptions of bleeding canker symptoms in horse chestnut trees, with pictures.
Explanation of treatments required for sawn wood with residual bark still attached which has been cut from trees affected by Phytophthora ramorum or Phytophthora kernovii disease
Not present in UK Notifiable – See ‘Report a sighting’ below Scientific name – Neocerambyx raddei (N. raddei) Photo © Kirill V. Makarov Deep mountain longhorn beetle, also known as Oak longhorn beetle (Neocerambyx raddei, previously known as Massicus raddei), is a major pest of Asian oak species such as Quercus mongolica...
Oak processionary moth (OPM) caterpillars, or larvae, are covered with thousands of minute, irritating hairs. These can be released as a defence mechanism, or blown off by the wind, and come into contact with people and animals. Contact can cause symptoms ranging from a mildly itching rash to allergic reactions. The caterpillars...
The Biomass Environmental Assessment Tool (BEAT2) provided by Defra, the Biomass Energy Centre and the Environment Agency
Pheromone traps are a useful method of surveying for the presence of adult male insects, including those of oak processionary moth (OPM). The traps work by containing a lure comprising a synthetic chemical cocktail which mimics the sexual pheromone emitted by the female to attract a mate for breeding. Deploying...
There are a number of issues to consider when planning to install a biomass system
NFI inventory reports and woodland map reports
Information about elm zigzag sawfly (Aproceros leucopoda), now established in Great Britain, including its biology, the risk it poses to elms in Britain, and its identification
Information about horse chestnut leaf miner moth (Cameraria ohridella), a pest of horse chestnut (Aesculus) trees and some Acer species
Not present in UK Notifiable – see ‘Report a sighting’ below Scientific name – Agrilus fleischeri (A. fleischeri) Agrilus fleischeri is an important pest of aspen and poplar (trees in the genus Populus). Willows (Salix spp.) have also been recorded as hosts of this pest, which is native to East-Asia....
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