Preventative treatment at preferred price

cover EAB brochure 2021 fr

For as little as $3.56/cm in diameter


Treatment benefits:

  • More economical than felling
  • Ecologically responsible
  • Maintain the health of your trees against the emerald ash borer
  • Increase the life span of trees


Services and process
Make your request for preventative treatment before Tuesday, August 15
Treatment must be completed by August 31

Consult the information leaflet (PDF)

Download Access Authorization Form and Exoneration of Liability (PDF)


Online form


Consult article 5.16.9 of By-law 720 hereafter which establishes standards aimed at limiting and controlling the spread of the emerald ash borer throughout the territory of the City of Beaconsfield

Consult all provisions of Zoning By-law 720


Continue treatment to protect your ash trees



All ash trees are threatened. Continue to treat yours to maintain their health, otherwise they may have to be cut down (Mandatory permit application request available online).

If you have further questions, please send us an email at agrile-eab@beaconsfield.ca 
or call us at 514 428-4400 ext. 4437



Identifying ash trees and the emerald ash borer

Do you have an ash tree on your property?

Here’s what they look like:



ash leaves



ash leaf



eab old ash








ash tree



What does the Emerald Ash Borer look like?

The emerald ash borer is a highly destructive invasive beetle that attacks all species of ash trees and typically kills them in 2 - 3 years. It is a metallic green wood-boring insect of about 1 - 1.5 cm in length.

eab finger



Signs of an infestation:

  • Loss of leaves in the upper crown
  • Unusually thin tree crowns
  • Branch and leaf growth in the lower part of the stem where growth was not present before
  • Long shoots growing from the trunk or branches
  • Unusually high woodpecker activity
  • Evidence of adult beetle feeding on leaves
  • Bark splitting, S-shaped grooves under the bark filled
  • Small D-shaped emergence holes



 numbered ash




 Who should I call if I see an EAB on a tree?

  • For a city tree: call Beaconsfield Public Works at: 514 428-4500

  • For a private tree: contact Urban Planning 514 428-4430 ext. 4437 for the tree permit request



What should I know if I want to cut down an Ash tree?

Ash tree felling request can be done online at no cost. CLICK HERE