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Insect Control

Tree Pest Caterpillar Spraying Schedule 2017

Tree Pest Caterpillar Control Program

Tree Pest Caterpillar treatment crews will only be treating selected streets within each IMA that have or are at risk of significant defoliation. Not all streets within an IMA will be treated.

IMAs to be sprayed will be announced at least 8 hours in advance of spraying operations.

The City of Winnipeg controls forest tent caterpillar and cankerworms on City-owned trees using the biological insecticide Foray® 48B (Bacillus thuringiensis var. kurstaki - Btk).

Citizens can register for notifications using the following link: Tree Pest Caterpillar Control Program Notification

Spraying Schedule:

  • Tree Pest Caterpillar Program has Concluded for 2017
Areas to be treated Areas to be treated  
Areas previously treated Areas prviously treated  





Click areas to zoom

 Cankerworm Control Program Map
Tree Pest Caterpillar Control Program

  • Start Date: May 14th, 2017
  • End Date: June 21st, 2017

Previous Treatment Dates:

  • June 21st, 2017 - IMA 41
  • June 20th, 2017 - IMA 41
  • June 19th, 2017 - IMA 41
  • June 18th, 2017 - IMA 41
  • June 17th, 2017 - IMA 39 and 41
  • June 16th, 2017 - IMA 39 and 40
  • June 15th, 2017 - IMA 24 and 40
  • June 14th, 2017 - Weather Delay
  • June 13th, 2017 - Weather Delay
  • June 12th, 2017 - IMA 24
  • June 11th, 2017 - IMA 22 and 24
  • June 10th, 2017 - IMA 32
  • June 9th, 2017 - Weather Delay
  • June 8th, 2017 - IMA 33
  • June 7th, 2017 - IMA 31 and 33
  • June 6th, 2017 - IMA 31
  • June 5th, 2017 - IMA 31
  • June 4th, 2017 - IMA 18 and 30
  • June 3rd, 2017 - IMA 18
  • June 2nd, 2017 - Weather Delay
  • June 1st, 2017 - IMA 9
  • May 31st, 2017 - IMA 9 and Assiniboine Park
  • May 30th, 2017 - IMA 7 and 9
  • May 29th, 2017 - Weather Delay
  • May 28th, 2017 - Weather Delay
  • May 27th, 2017 - IMA 49
  • May 26th, 2017 - IMA 48 and 49
  • May 25th, 2017 - IMA 45 and 48
  • May 24th, 2017 - Weather Delay
  • May 23rd, 2017 - IMA 1 and 45
  • May 22nd, 2017 - No Sprayng Scheduled
  • May 21st, 2017 - Weather Delay
  • May 20th, 2017 - Weather Delay
  • May 19th, 2017 - IMA 8 and 15
  • May 18th, 2017 - IMA 51 and 8
  • May 17th, 2017 - Weather Delay
  • May 16th, 2017 - IMA 43
  • May 15th, 2017 - Weather Delay
  • May 14th, 2017 - IMA 43

Tree Pest Caterpillar Program Archives

2015 | 2016

*Program was unnecessary


Last update: June 22, 2017
Contact Us
Bugline: 311
or 1-877-311-4WPG
Media inquiries: 204-986-6000
311@Winnipeg.ca

Administrative Office and Research Laboratory
1539 Waverley Street
Winnipeg MB R3T 4V7

Operations Base
3 Grey Street
Winnipeg MB R2L 1V2
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