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How do you determine when and where to spray for mosquitoes?
Mosquito spraying is conducted when a mosquito trap indicates significant populations of specific mosquito species that are likely to carry West Nile virus. The area represented by that trap is then sprayed the following day; weather conditions permitting.

West Nile Prevention Program

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1. How do I know when spraying for mosquitoes will occur?
2. How do you determine when and where to spray for mosquitoes?