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35 Search Results for Oak Processionary Moth

  • Tools and Resources

    Oak wilt (Ceratocystis fagacearum)

    Information about oak wilt, a disease of oak (Quercus) trees caused by the fungus Ceratocystis fagacearum, also known as Bretziella fagacearum
  • Tools and Resources

    Oak lace bug (Corythucha arcuata)

    Oak lace bug (OLB) is an insect pest of oak trees (trees in the Quercus genus), and of several other species of broad-leaved trees.
  • Tools and Resources

    Two-lined chestnut borer (Agrilus bilineatus)

    The larvae, or grubs, of two-lined chestnut borer beetles are a pest of oak trees (trees in the Quercus genus) and sweet chestnut ( Castanea genus).
  • Tools and Resources

    Chronic oak decline / dieback

    Overview of chronic oak dieback. Information about distribution, symptoms, diagnosis and disease management.
  • Tools and Resources

    OPM manual – 6. Chemical control of larvae

    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 […]
  • Tools and Resources

    Gypsy moth (Lymantria dispar)

    Overview of the lifecycle Gypsy moth (Lymantria dispar) with photographs.
  • Tools and Resources

    Two-spotted oak buprestid (Agrilus biguttatus)

    The two-spotted oak buprestid (TSOB) is a UK and European native, bark-boring beetle which lives on oak trees (trees in the Quercus genus), and which, in sufficient numbers, can severely weaken them.
  • Tools and Resources

    OPM Manual – 8. Occupational health

    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 […]
  • Tools and Resources

    OPM Manual – 7. Manual removal of nests and larvae

    The first thing to consider when planning to manually remove oak processionary moth (OPM) nests and caterpillars (larvae) is personal protection from contact with the caterpillars’ irritating hairs. It is not only the caterpillars which pose a risk: OPM nests (pictured below) also contain thousands of hairs shed by the caterpillars. These continue to pose a health hazard, either through […]
  • Tools and Resources

    Oak Pinhole Borer (Platypus cylindrus)

    Overview of the oak pinhole borer (Platypus cylindrus). How to identify beetle infestations and manage and protect timber.
  • Tools and Resources

    Woodland health

    There are a range of factors that can influence the health of an area of woodland