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City of Winnipeg
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Insect Control

Tree Pest Caterpillar Spraying Schedule 2015

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:

  • Forest Tent Caterpillar Program has Concluded - June 9th, 2015
Areas to be treated Areas to be treated  
Areas previously treated Areas prviously treated  





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Cankerworm Control Program Map
Tree Pest Caterpillar Control Program

  • Start Date: May 31, 2015
  • End Date: June 9, 2015

Previous Treatment Dates:

  • June 9th, 2015 - IMA 51
  • June 8th, 2015 - IMA 49 and Kildonan Park
  • June 7th, 2015 - IMA 49
  • June 6th, 2015 - IMA 49
  • June 5th, 2015 - IMA 49
  • June 4th, 2015 - IMA 49 and 41
  • June 3rd, 2015 - IMA 49
  • June 2nd, 2015 - Weather Delay
  • June 1st, 2015 - IMA 49
  • May 31st, 2015 - IMA 49

Last update: January 3, 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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