Larvicides are insecticides that kill the larval stage of an insect, most commonly mosquitoes.

Some examples include biological control agents, growth regulators, stomach poisons, and contact poisons.

Mosquito larvae and pupae must be killed via larvicides to become biting adults.

Following the directions on the product label, larvicides pose no risk to humans, animals, or the environment.

Evolution

Early 20th century: Plant extracts, dating back to the 1920s, have been employed as mosquito larvicides.
Mid-20th century: However, the discovery of synthetic insecticides like DDT in 1939 led to decreased use.

The efficacy of plant extracts depends on several factors, including:

Types

Larvicides include:

Biological insecticides: Such as the microbial larvicides Bacillus sphaericus and Bacillus thuringiensis israelensis
Other pesticides, Such as temephos, methoprene, oils, and monomolecular films

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Larvicides