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Insect Control

Tree Pest Caterpillar Spraying Schedule 2022

Report insect concerns

Tree pest caterpillar (cankerworm) on public property

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: Spraying was not conducted in 2022

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

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Tree Pest Caterpillar Program Archives

2021


Last update: December 30, 2022
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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
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