Details about Larvicides Being used in Niagara

Niagara Region is using BTI (Bacillus Thuringiensis Israelensis) to control the mosquito population.

BTI has been approved for mosquito control by Health Canada, and is recommended by Niagara's Medical Officer of Health to control West Nile Virus.

BTI (Bacillus Thuringiensis Israelensis)

BTI contains a natural bacterium that kills mosquitoes during their larval stage of development. It has been used effectively since 1982 for insect control, particularly for mosquitoes, black flies, and fungus gnats and is commonly found in soils in Canada and throughout the world.

BTI is placed in areas of standing water where mosquitoes breed, such as ditches and shallow ponds. It effects the mosquito larva's ability to eat, causing the larva to starve to death.

BTI Poses No Risk to Humans

Health Canada has determined that BTI poses no health risks to humans or mammals when applied properly. BTI toxins only work in certain insects' digestive systems. Human and animal stomachs are too acidic to BTI to work.

Direct contact may cause mild skin and eye irritation. Children and pets should avoid areas that have been treated. Public service announcements will notify you which areas will be treated, prior to BTI being used.

For more information about larvicides, visit Health Canada's Pesticides and Pest Management website.


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