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519 Search Results for Pest and Diseases

  • Tools and Resources

    Elbow-patch crust of plane (Fomitiporia punctata)

    Present in United Kingdom Notifiable – See ‘Report a sighting’ below Scientific name of causal agent – Fomitiporia punctata (F. punctata) Picture: Lucien Rommelaars – Saxifraga Elbow-patch crust is a disease of London plane trees (Platanus x acerifolia, also known as Platanus x hispanica). It is caused by the basidiomycete fungus Fomitiporia punctata (F. punctata). The fungus was known before 2016 as Phellinus […]
  • 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

    Great spruce bark beetle (Dendroctonus micans)

    Information about the tree pest great spruce bark beetle ( Dendroctonus micans )
  • Tools and Resources

    Large larch bark beetle (Ips cembrae)

    Information about Large larch bark beetle (Ips cembrae), a pest of larch (ea) trees and some other conifer species
  • Tools and Resources
  • Tools and Resources

    Dutch elm disease (Ophiostoma novo-ulmi)

    About Dutch elm disease in Great Britain
  • Tools and Resources

    Neonectria canker of fir (Neonectria neomacrospora)

    Resources about Neonectria canker of Abies
  • 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

    Thousand cankers disease (Geosmithia morbida)

    Not present in UK Notifiable – see ‘Report a sighting’ below Scientific name of causal agent – Geosmithia morbida (G. morbida) Vector – Walnut twig beetle (Pityophthorus juglandis; P. juglandis) Picture: Ned Tisserat, Colorado State University, Bugwood.org Thousand cankers disease is caused by the fungus Geosmithia morbida. It is believed to be able to affect all species of walnut trees […]
  • Tools and Resources

    Ash dieback (Hymenoscyphus fraxineus)

    Present in United Kingdom Reportable – see ’Report a sighting’ below Scientific name of causal agent – Hymenoscyphus fraxineus Ash dieback is a highly destructive disease of ash trees (Fraxinus species), especially the United Kingdom’s native ash species, common ash (Fraxinus excelsior). It is caused by a fungus named Hymenoscyphus fraxineus (H. fraxineus), which is of eastern Asian […]
  • Service

    Tree Health Enquiries – FAQ

    If you would like to report a pest, diseased tree or if you have an issue with a tree on your property or in your local area, then please read the following frequently asked questions, which help direct you to the relevant resource.
  • Tools and Resources

    Phytophthora austrocedri disease of juniper and cypress

    Overview of plant pathogen Phytophthora austrocedri – symptoms and diagnosis of juniper infection.