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.

Asian Longhorn Beetle

Exotic Pest Alert

Diagnostic details of a quarantine pest of broadleaved trees.

Asian Longhorn Beetle ^(PDF-1721K)

Emerald Ash Borer

Exotic Pest Alert

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

Emerald Ash Borer ^(PDF-4140K)

Horse Chestnut Leafminer

Exotic Pest Alert

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

Horse Chestnut Leafminer ^(PDF-179K)

Oak pinhole borer

Tree Pest Advisory Note

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

Oak pinhole borer ^(PDF-286K)

Oak processionary moth

Tree Pest Advisory Note

A major defoliator of oak in Europe.

Oak processionary moth ^(PDF-412K)

Phytophthora ramorum (Sudden Oak Death)

Exotic Pest Alert

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

Phytophthora ramorum (Sudden Oak Death) ^(PDF-184K)

Problems on plane trees

Pathology Advisory Note 7

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

Problems on plane trees ^(PDF-437K)