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 build communal nests on the trunks […]
Explanation of British forestry authorities' policy on collecting foliage from plants susceptible to Phytophthora ramorum infection, especially Rhododendron ponticum, in forests and woodland
The changing climate presents a challenge for forest planning and forest management in England because the projected increases in temperature, changes in the seasonality of rainfall, and an increased frequency of extreme events add complexity to species selection and silvicultural practice. By actively adjusting forest management now, to anticipate future changes, we can hope to […]
Present in United KingdomNot notifiable – See ‘Report a sighting’ belowScientific name – Elatobium abietinum (E. abietinum)
Picture: Donald Owen, California Department of Forestry and Fire Protection, Bugwood.org
Green spruce aphid (Elatobium abietinum) is an important defoliating pest of spruce trees (trees in the Picea genus), especially Sitka spruce (Picea sitchensis), which is widely grown in the UK […]
Two pesticides are licensed for control of the larvae, or caterpillars, of oak processionary moth (OPM). These are Bacillus thuringiensis var kurstaki (BT) and deltamethrin. Further information about them is available on the Health & Safety Executive (HSE) website.
The status and availability of chemicals can change from year to year, so it is important to […]
Ancient woodland
Woodland which has been in continuous existence since 1600 (1750 in Scotland).
Awaiting validation
Status for a Woodland Carbon Code project or group that is undergoing assessment by a certification body.
Bioenergy
Energy from any fuel that is derived from biomass.
Biomass
Material that is derived from living, or recently living, biological organisms.
Biosecurity
A set of precautions that aim to prevent […]
Ancient woodland
Woodland which has been in continuous existence since 1600 (1750 in Scotland).
Awaiting validation
Status for a Woodland Carbon Code project or group that is undergoing assessment by a certification body.
Bioenergy
Energy from any fuel that is derived from biomass.
Biomass
Material that is derived from living, or recently living, biological organisms.
Biosecurity
A set of precautions that aim to prevent […]
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