7. Pyrethroid Insecticide Sprays
If you’re in an area susceptible to West Nile, spray a residual insecticide around your home’s entryways. This kind of treatment lasts longer, giving you several weeks of protection, Merchant says. There are a number of sprays you can buy. The key is to look for products ending with the suffix “thrin,” so bisenthrin (pictured above from amazon.com) and cyfluthrin. Go here for more information on Pyrethroid Insecticide sprays before you buy and spray!
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