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Insect Control

Tree Pest Caterpillar Spraying Schedule 2020

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).

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

Spraying Schedule:

  • June 26th, 2020 - Tree Pest Caterpillar Control Program Has Concluded
Areas to be treated Areas to be treated  
Areas previously treated Areas previously treated  





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 Cankerworm Control Program Map
Tree Pest Caterpillar Control Program

  • Start Date: May 24, 2020
  • End Date: June 26, 2020

Previous Treatment Dates:

  • June 25, 2020 - IMA 32
  • June 24, 2020 - IMA 8, 9 and 32
  • June 23, 2020 - IMA 41, 8 and 9
  • June 22, 2020 - IMA 41
  • June 21, 2020 - IMA 33 and 41
  • June 20, 2020 - IMA 33
  • June 19, 2020 - IMA 7 and 33
  • June 18, 2020 - IMA 7
  • June 17, 2020 - IMA 6 and 7
  • June 16, 2020 - IMA 6
  • June 15, 2020 - IMA 13, 14 and 6
  • June 14, 2020 - Weather Delay
  • June 12, 2020 - IMA 4, 13 and 14
  • June 11, 2020 - IMA 4
  • June 10, 2020 - IMA 29 and 4
  • June 9, 2020 - Weather Delay
  • June 8, 2020 - IMA 29
  • June 7, 2020 - Weather Delay
  • June 4, 2020 - IMAs 25 and 29
  • June 3, 2020 - IMA 25
  • June 2, 2020 - IMAs 47 and 25
  • June 1, 2020 - IMAs 47 and 50
  • May 31, 2020 - IMAs 47 and 50
  • May 28, 2020 - IMAs 10 and 50
  • May 27, 2020 - IMA 10
  • May 26, 2020 - IMAs 2, 5 and 10
  • May 25, 2020 - IMAs 2 and 5
  • May 24, 2020 - Weather Delay

Last update: December 31, 2021
Contact Us
311
or 1-877-311-4WPG
Media inquiries: 204-986-6000
Contact 311

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

Operations Base
3 Grey Street
Winnipeg MB R2L 1V2
Citizens' Information Service
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to find out your insect management area.

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