The Watch On an individual basis, preventive trunk spraying is the only proven way to protect white fir trees from infestation. Three chemicals have been proven to be effective: carbaryl, permethrin and bifenthrin . “These will work 95 percent of the time, and ... and more »
Patch.com He explained the insecticide CrossCheck Plus ( bifenthrin 7.9%) will be used to control adult mosquitoes that backpack sprayers would be used. He said no town wide road spraying is scheduled and that Dragon Mosquito Control, Inc. of Brentwood will be ...