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Insect Control

Tree Pest Caterpillar Spraying Schedule 2019

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 (Foray® 48B Label / Foray® 48B SDS) or Bioprotec® CAF (Bioprotec® CAF Label / Bioprotec® CAF SDS) (Bacillus thuringiensis var. kurstaki - Btk).

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

Spraying Schedule:

  • June 28, 2019 - Tree Pest Caterpillar Control Program Has Concluded
Areas to be treated Areas to be treated  
Areas previously treated Areas previously treated  





Click areas to zoom

Cankerworm Control Program Map
Tree Pest Caterpillar Control Program

  • Start Date: Sunday, May 26, 2019
  • End Date: Thursday, June 27, 2019

Previous Treatment Dates:

  • June 27th, 2019 - IMA 33
  • June 26th, 2019 - IMA 2 and 33
  • June 25th, 2019 - IMA 50 and 2
  • June 24th, 2019 - IMA 50
  • June 23rd, 2019 - IMA 4
  • June 20th, 2019 - IMA 8, 9 and 4
  • June 19th, 2019 - IMA 7 and 8
  • June 18th, 2019 - IMA 7
  • June 17th, 2019 - IMA 5 and 7
  • June 16th, 2019 - Weather Delay
  • June 14th, 2019 - IMA 39 and 5
  • June 13th, 2019 - IMA 47
  • June 12th, 2019 - IMA 47
  • June 11th, 2019 - IMA 32
  • June 10th, 2019 - IMA 30 and 32
  • June 9th, 2019 - IMA 31, 30 and 32
  • June 6th, 2019 - IMA 30
  • June 5th, 2019 - IMA 31 and 30
  • June 4th, 2019 - IMA 31
  • June 3rd, 2019 - IMA 31
  • June 2nd, 2019 - IMA 40
  • May 30th, 2019 - IMA 11 and 40
  • May 29th, 2019 - IMA 11
  • May 28th, 2019 - IMA 11
  • May 27th, 2019 - IMA 10 and 11
  • May 26th, 2019 - IMA 10

Tree Pest Caterpillar Program Archives

2018 | 2017


Last update: June 28, 2019
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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