<p>Airborne adulticides for mosquito control are permitted for use in Ontario. But their use is not recommended for most forms of stormwater control. Encouraging populations of bats, birds, dragonflies and other natural predators is worthwhile for improving biodiversity. | <p>Airborne adulticides for mosquito control are permitted for use in Ontario. But their use is not recommended for most forms of stormwater control. Encouraging populations of bats, birds, dragonflies and other natural predators is worthwhile for improving biodiversity. |