Prior to the opening of the channel, three to four aerial larvicide treatments were required each year.
From the au.news.yahoo.com
Since early summer, workers have used planes to spray targeted marsh areas throughout the state with a larvicide, he said.
From the philly.com
Health officials started fogging, distributing larvicide and bug repellent, and scouting for standing water.
From the economist.com
Public health units in Ontario determine if and when they will larvicide based on their surveillance of the level of risk.
From the sciencedaily.com
Toxins produced by different strains of this bacterium are used as a larvicide against caterpillars, beetles, and mosquitoes.
From the guardian.co.uk
Among other things, permit rules required monitoring sites before, the day of, and days after the application of larvicide.
From the sacbee.com
Instead of spraying insecticide, they used a powder form of the larvicide pyriproxyfen, which sticks to the adults'bodies but doesn't harm them.
From the newscientist.com
The West Nile threat prompted many communities to place larvicide in water where mosquitoes breed, usually ponds, stagnant pools of water and sewers.
From the timesunion.com
McCauley said county staff members place a larvicide in pools where mosquitoes hatch, and spray trucks disperse small amounts of insecticide, often at night.
From the stltoday.com
More examples
A chemical used to kill larval pests
A larvicide (alternatively larvacide) is an insecticide that is specifically targeted against the larval life stage of an insect. Their most common use is against mosquitoes. Larvacides may be contact poisons, stomach poisons, growth regulators, or (increasingly) biological control agents.
Larvicides are products used to reduce immature mosquitoes. They can either be biological (such as toxin from specific bacteria that is lethal to mosquito larvae but not to other organisms) or chemical products. Larvicides are applied directly to water sources that hold mosquito eggs or larvae. ...
(Larviciding) Destruction of mosquito larvae by measures such as treating mosquito larvae surfaces, intermittent irrigation, sluicing or biological control.
A class of pesticides used to kill insect larvae. Usually refers to chemicals used for controlling mosquito larvae, but also to chemicals for controlling caterpillars on crops.