Attacks and kills all Ash trees native to North America.
Brought to Canada unintentionally through wooden packing crates from Asia in the early 1990s.
Identified as an invasive alien species by the Canadian Food Inspection Agency (CFIA) for Halton in 2009.
Has the potential to eliminate ALL of our Ash trees (5-10% of our urban forest*).
A large section of Ontario and Quebec is under quarantine.
Movement of ash wood products outside of the regulated area is prohibited (click here for a map).
*An urban forest refers to all of the collective varieties of trees that we have growing on our streets
Signs of Emerald Ash Borer
Bark damage – vertical cracks in the bark
Discolouration or yellowing of leaves
D-shaped holes on bark and braches
Crown dieback - loss of leaves in the tree canopy
Shoots growing from trunk and branches of the tree
Increased presence of woodpeckers feeding
Municipal Ash Tree Management
The remaining street Ash trees can be considered “standing dead” as they will all succumb to the EAB over the next few years and the trees will be removed and replaced as time and budget allows.
See the “Emerald Ash Borer Management Strategy” Council Report 2012-0034 from October 15, 2012, for more information.
If you suspect EAB on a tree located on Town property, please contact Public Works at 905-873-2601 Ext. 2603 to request service.
If you suspect a tree on your property is infested, or are interested in treating a tree on your property, please call a certified arborist for more information.
Further information can be found by following these links:
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