The City of Winnipeg is preparing to launch an assault to control the gypsy moth population in the St. Vital area.
City entomologist Taz Stuart said Thursday the Insect Control Branch will begin treating the insects with Bacillus thuringiensis var. kurstaki (Btk) starting May 22. Weather permitting, three separate aerial treatments will be required.
About 12,000 homeowners in the south end of the city have been notified about the spraying — set to occur between 5 a.m. and 7:30 a.m. No buffer zones will be implemented for the spraying.
Gypsy moth caterpillars feed on the foliage of a wide variety of trees and shrubs. Damage to trees in St. Vital could be significant as the gypsy moth population increases.
Stuart also said the city will begin its cankerworm control program Monday, May 21 at 9:30 p.m. Tree spraying will be carried out in Insect Management Area 50, including Kildonan Park.
On the mosquito front, trap counts remain low — only one in 24 traps. The first generation of summer adult nuisance mosquitoes will begin to appear in the water over the next 7-10 days, depending on the weather.
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