roadside catch basins

Dropping mosquito-repellant into London storm drains is keeping the pest population down

Dropping mosquito-repellant into London storm drains is keeping the pest population down

He said they do this across the city and surrounding counties three times a year starting in mid-June, and will target nearly 37,000 storm drains each time. "The larvicide looks almost like hamster food. They only use .7 grams of it and it's strictly put in contained catch basins," he said, adding it doesn't pose a risk to public heath.