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57 Search Results for TreeAlert

  • Tools and Resources

    Citrus longhorn beetle (Anoplophora chinensis)

     Not present in UK Notifiable – See ‘Report a sighting’ below Scientific name – Anoplophora chinensis (A. chinensis) The citrus longhorn beetle (CLB) is a non-native, wood-boring, cerambycid beetle which is extremely damaging to a wide range of broadleaved tree and shrub species. These include several species native to the United Kingdom (UK), and several which are grown […]
  • Tools and Resources

    Tree Health Learning Pathway for Citizens

     Aim Who is it for? How does it work? Getting started Moving along the pathway Video Explaining the Learning Pathway Step 1: “Get started with Nature“ Task Resources Details/Links Learn about nature, plants, animals and fungi BBC Springwatch Ideas, information and resources to help wildlife  Field Studies Council Simple easy-to-use identification guides for a wide range of plant, animal and fungal species   Animal and Plant Health Agency Izzy the inspector, a […]
  • Tools and Resources

    Elm zigzag sawfly (Aproceros leucopoda)

     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
  • Tools and Resources

    Massaria disease (Splanchnonema platani)

     Overview of Massaria disease and the fungus that might cause it.
  • Tools and Resources

    Canker stain of plane (Ceratocystis platani)

     Not present in United Kingdom Notifiable – see ‘Report a sighting’ below Scientific name of causal agent – Ceratocystis platani Canker stain of plane is a disease which can affect several species of plane trees (trees in the Platanus genus). It is caused by the ascomycete fungus Ceratocystis platani (C. platani), which was formerly known as Ceratocystis platani f. […]
  • 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

    Green spruce aphid (Elatobium abietinum)

     Present in United Kingdom Not notifiable – See ‘Report a sighting’ below Scientific 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 […]
  • Tools and Resources

    Sirococcus blight (Sirococcus tsugae)

     Information about Sirococcus, its symptoms and occurrence
  • 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

    Acute oak decline

     Information including symptoms and distribution about acute oak decline disease of oak (Quercus species), characterised by stem bleeding
  • Tools and Resources

    Pine processionary moth (Thaumetopoea pityocampa)

     Not present in UK Notifiable – see ’Report a sighting’ below Scientific name – Thaumetopoea pityocampa (T. pityocampa) Pine processionary moth (PPM) larvae, or caterpillars, are a threat to the health of pine (Pinus) and some other conifer tree species, as well as a hazard to human and animal health. (Picture: John Ghent, Bugwood.org) PPM, like its close relative […]
  • Tools and Resources

    Phytophthora kernoviae

     Overview of invasive plant pathogen Phytophthora kernoviae. Distribution, symptoms, diagnosis and management.