City to Continue Using Malathion in Mosquito Fight This Summer

City to Continue Using Malathion in Mosquito Fight This Summer

MosquitoWith rain and snow in the forecast on Tuesday, the City of Winnipeg was talking mosquitoes.

The Insect Control Branch will exhaust its last bit of malathion this summer, which it still has 4,550 litres remaining. That’s enough to treat the entire city 2.5 times.

“The City’s primary focus will continue to be killing mosquito larvae in water using a 100% biological larviciding program,” said Ken Nawolsky, superintendent of insect control.

“However, if an adult mosquito control program is required, based on the history of the last 10 years, there is minimal risk of using the remaining stocks of malathion in 2016.”

The city is still working to acquire DeltaGard to use in the place of malathion. Once it’s approved for use in Canada, the city could begin spraying with it as early as 2017.

“Our goal is to transition over to a new product as soon as possible,” Nawolsky added, saying trials of the product were carried out successfully last summer.


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