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Weather conditions will affect the effectiveness of the chemicals. Wind speeds more than 8 mph or a previous rain or upcoming rain will delay the spraying. We like to see a clear forecast two days prior and 4 to 5 days after scheduled spraying.
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Truck-mounted mosquito spraying units disperse a chemical in the form of fog that settles and kills certain types of mosquitoes. The fog is created by a truck-mounted fogger, moving at a slow speed down a public street. Ideal wind conditions suggest air currents from 2 to 8 mph.
There are a variety of products available on the market for controlling mosquitoes. The City of Palestine is combating the mosquito population using adulticides, a category of pesticides used in fogging and spraying to control the adult mosquito population. The specific chemical used in the City of Palestine is Aqua-Reslin, a type of adulticide. Aqua-Reslin is a water-based chemical that compared to an oil-based chemical, does not evaporate as fast.
Ultimately, all areas of the city that are accessible on a public street will be covered by mosquito spraying at least once while mosquitoes are active. When mosquitoes are active, the following areas will be treated first including:
We try to have at least two trucks spraying certain areas of the city at least every two weeks. The company that has been hired to spray has a minimum of 10 miles per spraying.
The city has contracted with Vector Disease Control International to spray for mosquitoes.
The best control residents can do to control the mosquito population is to eliminate pools of standing water. Standing water is a breeding ground for mosquitos. Other steps for controlling the mosquito population include:
The Centers for Disease Control has a comprehensive list of information on both mosquito-borne viruses:
Both viruses have similar symptoms, including rash, fever, body aches and chills. Those infected with Zika can also have conjunctivitis or pink eye. Those who are pregnant or may become pregnant should see a health care professional if experiencing these symptoms as Zika has shown to increase a newborn's risk of contracting birth defects, like Gilluain-Barre syndrome.