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Tree pest and disease alerts and advisory notes

Bulletins and handbills showing signs and symptoms of tree pests and diseases and advice on what to do if you suspect the pest or disease is present.

Exotic pest alert coverAsian Longhorn Beetle (PDF-1721K)

Exotic Pest Alert

Diagnostic details of a quarantine pest of broadleaved trees.


Dutch Elm disease information noteDutch Elm disease diagnosis (PDF-838K)

Information sheet

Symptoms and how to confirm the diagnosis.


Exotic pest alert coverEmerald Ash Borer (PDF-4140K)

Exotic Pest Alert

Diagnostic details of a quarantine pest that causes significant damage to ash trees (Fraxinus spp.).


Exotic pest alert coverHorse Chestnut Leafminer (PDF-179K)

Exotic Pest Alert

Diagnostic details of a quarantine pest that has recently made its appearance in southern England.


Advisory note coverOak pinhole borer (PDF-399K)

Tree Pest Advisory Note

Wood boring beetle Platypus cylindrus that infests and breeds in cut trees, windblown trees, standing dead and dying trees.

Revised: May 2009.


Advisory note coverOak processionary moth (PDF-412K)

Tree Pest Advisory Note

A major defoliator of oak in Europe.


Exotic pest alert coverPhytophthora ramorum (Sudden Oak Death) (PDF-184K)

Exotic Pest Alert

Diagnostic details of a quarantine pathogen that has been found affecting trees in England.


Pathology Advisory Note coverProblems on plane trees (PDF-437K)

Pathology Advisory Note 7

Pathogens that could potentially be very damaging to Planes (Platanus spp.) in the UK.


Formats

Tree pest and disease alerts and advisory notes are free to be downloaded as electronic copy in PDF format.

PDFs can be viewed or downloaded using Adobe® Acrobat® Reader. If you do not already have this software installed on your computer, click on the Acrobat link below to obtain a free copy.

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