Malathion Adulticide Insecticides
Malathion insecticide is an organophosphate (OP) insecticide that has been registered for use in the United States since 1956. It is used in agriculture, residential gardens, public recreation areas, and in public health pest control programs. When applied in accordance with the rate of application and safety precautions specified on the label, malathion can be used to kill mosquitoes without posing unreasonable risks to human health or the environment.
The mosquito goes through four distinct stages during its life cycle: egg, larva, pupa, and adult. Malathion is an adulticide, used to kill adult mosquitoes. In mosquito control programs conducted by state or local authorities, malathion is applied by truckmounted or aircraft-mounted sprayers. Malathion is applied as an ultra-low volume (ULV) spray. ULV sprayers dispense very fine aerosol droplets that stay aloft and kill mosquitoes on contact. ULV applications involve small quantities of pesticide active ingredient in relation to the size of the area treated. For mosquito control, malathion is applied at a maximum rate of 0.23 pounds (or about two and one-half fluid ounces) of active ingredient per acre, which minimizes exposure and risks to people and the environment.
Malathion Insecticide is part of an integrated overall strategy to control mosquitoes. In particular, malathion is an adulticide, used to kill adult mosquitoes. Most malathion mosquito adulticide applications (about 90%) are made by ground application (fogging equipment mounted on trucks). However, in situations of heavy mosquito presence across large geographic areas, aerial application is an important method of application.
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