Mosquito – Chemical Treatment

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Chemical Treatments

Chemical Treatments are particularly useful in dealing with large population of mosquito adults.

Thermal Fogging

Thermal fogging is a space treatment against flying adult. It can reach air spaces in areas obstructed by dense vegetation or other objects. When the flies come into contact with the droplets (usually in 5 – 30 micron), they will be killed immediately.

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Cold-mist Fogging

Cold fogging is a space treatment against flying adult. Though It cannot reach air spaces in areas obstructed by dense vegetation or other objects, it is easily to control its distance and coverage, and is more suitable to apply in urban areas. When the flies come into contact with the droplets (usually in 5-30 micron), they will be killed immediately.

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Larvicidal oil or Anti-malarial oil

It is a petroleum distillate, when applies directly to water bodies, it will form a thin film on the water surface and kill larvae and pupae by suffocation.

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Bacillus thuringiensis subsp. israelensis (Bti)

The bacterium Bacillus thuringiensis subsp. israelensis (Bti) infects and kills mosquito larvae. It must be consumed by the larvae and acts as a stomach poison, damaging mid-gut cells of mosquito larvae. It is highly selective, killing only mosquitoes and larvae of a few other related flies.

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S-Methoprene

S-Methoprene inhibits the development of larvae. It is more effective in the late larval stage.