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Mosquito fogging to begin in the city’s southwest

Hey there, time traveller!
This article was published 4/7/2014 (1142 days ago), so information in it may no longer be current.

Adult nuisance mosquito fogging will begin tonight.

Ken Nawolsky, Winnipeg’s insect control superintendent, announced 24 hours public notice Friday before fogging is expected to begin in the southwest quadrant of the city where the highest mosquito-trap counts have been registered.

A crew fogs for mosquitoes in a River Heights back lane in this file photo from 2013.


A crew fogs for mosquitoes in a River Heights back lane in this file photo from 2013.

The city will confirm the whereabouts of its first fogging activities at noon today.

A whopping 3,552 mosquitos were counted in Assiniboine Park Friday, which bumped the average of city trap counts up significantly and helped spur the fogging season.

"We’re currently in another emergence (of mosquitoes) because of the substantial rainfall over the weekend. (The mosquitoes) are in the middle of their life cycle now and we’re expecting another emergence between Tuesday and Wednesday," said Nawolsky.

Thursday and Friday were the first two days when the city’s mosquito-trap counts were high enough to meet the fogging criteria.

Nawolsky said larviciding and residual treatments alone are no longer powerful enough to control Winnipeg’s adult mosquito population.

The city will begin adulticiding between 9:30 p.m. and 6:30 a.m. every night until the trap counts are back at sufficient levels, said Nawolsky.

"We’re going out there as soon as possible to bring down the levels and make it an enjoyable summer for the citizens of Winnipeg," he said.

Property owners who don’t want insecticides sprayed within 90 metres of their homes can visit the Insect Control Branch at 1539 Waverley St. today between 8 a.m. and 3 p.m. to register their residence for a buffer zone. A valid piece of ID with the corresponding address must be presented in person to be registered. Anti-pesticide registrants can also ID their homes by calling 311.

Extensive details about the city’s insect control program and a fogging schedule, subject to weather conditions, can be found at


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Winnipeg Nuisance Mosquito Trap Counts

The graphic below shows the number of adult female nuisance mosquitoes last observed in each of the city’s traps. In the summer this count is usually updated daily.

Trap locations and descriptions are approximate; the city doesn't release exact locations of traps to avoid tampering and vandalism.

If looking at this graphic makes you itchy — or if you want to also monitor adulticiding factor analysis, quadrant averages, or other city skeeter stats — visit the city’s own trap-count site.


Below 25


25 and 50


50 and 100


Over 100

Counts for date:  

Click on any circle for a graph of recent trap counts for that location.

Winnipeg Map

Updated on Friday, July 4, 2014 at 1:55 PM CDT: Adds map

July 5, 2014 at 3:34 AM: write-thru

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