A publication of the Kentucky Center for Public Service Journalism

Lexington-Fayette County Health Department to spray for mosquitos Thursday in 40502, 40509 zip codes

To help control mosquitoes, the Lexington-Fayette County Health Department will conduct mosquito-spraying activities in the pre-dawn hours Thursday morning in the 40502 and 40509 ZIP codes. The spraying, which is the first in the city this summer, is due to a high mosquito population found in traps in the 40509 ZIP code region.

Spraying will be done between 3-6 a.m. Thursday. For spraying to be held, the wind speed must be less than 10 mph, the temperature must be greater than 55o F and there can be no rain or dense fog. The health department uses Duet, an EPA-approved agent that features a component that stimulates resting mosquitoes in trees and foliage, causing them to fly into the air and come into contact with the spray’s mosquito-killing agent, sumithrin. Duet has been rigorously tested for human and animal safety and is registered for outdoor residential and recreational areas.

Lexington residents can also take steps at home to fight mosquitoes:

Mosquito-proof your home and yard. Fix or install window and door screens. Mosquitoes lay their eggs in standing water. Cover or eliminate empty containers with standing water. Limit the number of places around your home for mosquitoes to breed by getting rid of items such as tires, buckets, barrels and cans. Refresh the water in your pet’s water dishes and birdbaths at least every five to seven days.

Be aware of peak mosquito activity times. The twilight hours around dusk and dawn are times of peak mosquito activity. Use insect repellent when outdoors especially during peak activity times, including early morning hours. Look for EPA-labeled repellents containing active ingredients, such as DEET, Picaridin (KBR3023) or oil of lemon eucalyptus (p-menthane 3,8-diol). Apply repellent according to label instructions. When weather permits, wear long sleeves, long pants and socks outdoors. Mosquitoes can bite through thin clothing, so spraying clothes with repellent containing permethrin or another EPA-registered repellent helps prevent bites.

The Lexington-Fayette County Health Department also conducts surveys in neighborhoods around Lexington to identify standing water problems that can serve as a location for mosquitoes to lay their eggs. Elimination of standing water is the ultimate goal, but in areas where standing water cannot be eliminated the water can be treated to kill mosquito larvae with a chemical called a larvicide. The mosquito spray used by the health department only affects adult mosquitoes that are in the air at the time of spraying.

To report a standing water problem in your neighborhood, please call the health department’s Environmental Health section at 859-231-9791. For additional information, like the Lexington-Fayette County Health Department on Facebook, or follow us on Twitter and Instagram at @lexpublichealth.

Lexington-Fayette County Health Department

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