Cankerworm Fight Will Continue Throughout City

City of WinnipegThe City of Winnipeg’s Insect Control Branch will continue its fight against cankerworms today, weather permitting. Their target areas will be on the large stands of American Elm, Manitoba Maple, Green Ash, and ornamental trees, the preferred host for spring and fall cankerworms.

Sunday evening the Insect Control Branch completed Assiniboine Park. Starting at 10:00 p.m. tonight, crews will continue treatment of St. Vital Park & Cemetery, Brookside Cemetery, and Kildonan Park, weather permitting.

Btk is the treatment crews will be utilizing, which is a biological product sprayed from high pressure tree sprayers directly onto the foliage of the trees.

For those with concerns, don’t worry, the product has been approved for use in Canada by Health Canada’s Pest Management Regulatory Agency.

Spraying will occur five nights per week, Sunday to Thursday from 10:00 p.m. – 6:00 a.m., weather permitting.

Residents can request a 30m buffer zone around their property by faxing 311, registering online at, or by writing to the Insect Control Branch at 3 Grey Street, Winnipeg, MB, R2L 1V2.