Village to Spray Mosquitoes Tonight

Lake Zurich announced an adulticide mosquito application will occur from dawn to dusk.

Lake Zurich Public Works Director David Heyden said Clarke Mosquito Control is expecting to spray adult mosquitoes tonight between dawn and dusk. Heyden said the village will spray for mosquitoes along with North Barrington and Cuba Township.

"We'll get more bang for the buck with a coordinated effort," Heyden said. 

The village has not sprayed for adult mosquitoes in numerous years, according to Heyden. This spraying is an effort to prevent West Nile Virus (WNV) in the village.

Heyden explained that for the last eight to nine years, the village has relied only on larvicide treatment. Larvicide pellets are dropped into the water, sometimes from the air. The larvicide prevents the mosquitoes from breeding, while the adulticide treatment actually kills the mosquitoes. 

Tomorrow's warm, dry weather should provide perfect conditions for mosquito spraying, Heyden said. 

Heyden said the mosquito chemical has no human health risk, but residents who are concerned should close their windows.

Following the suggested guidelines of the Centers for Disease Control and Prevention, Lake Zurich is spraying the adult mosquitoes to minimize the public risk of mosquito-borne disease.

All insecticides used have been approved specifically for this purpose and are regulated by the Environmental Protection Agency, according to a village press release.  The EPA has stated that when used according to label directions, these products pose no undue risks to humans or the environment.

This application, in addition to the Village’s existing mosquito control program, will better control the mosquito population, decreasing the potential for spreading West Nile virus.

West Nile virus is transmitted through the bite of a mosquito that has picked up the virus by feeding on an infected bird. Common West Nile virus symptoms include fever, nausea, headache and muscle aches. Symptoms may last from a few days to a few weeks. However, four out of five people infected with West Nile virus will not show any symptoms. In rare cases, severe illness including meningitis or encephalitis, or even death, can occur. People older than 50 are at higher risk for severe illness from West Nile virus.


The best way to prevent West Nile disease or any other mosquito-borne illness is to reduce the number of mosquitoes around your home and to take personal precautions to avoid mosquito bites. Precautions include practicing the three "R's" – reduce, repel and report.

  • REDUCE exposure - avoid being outdoors when mosquitoes are most active, especially between dusk and dawn.
  • Make sure doors and windows have tight-fitting screens. Repair or replace screens that have tears or other openings. Try to keep doors and windows shut, especially at night.
  • Eliminate all sources of standing water where mosquitoes can breed, including water in bird baths, ponds, flowerpots, wading pools, old tires and any other receptacles.
  • REPEL - when outdoors, wear shoes and socks, long pants and a long-sleeved shirt, and apply insect repellent that contains DEET, picaridin, oil of lemon eucalyptus or IR 3535, according to label instructions. Consult a physician before using repellents on infants.
  • REPORT - Report dead birds to the Lake County Health Department at (847) 377-8300 and areas of stagnant water in roadside ditches, flooded yards and similar locations that may produce mosquitoes to the Mosquito Hotline at (800) 942-2555.

Additional information about West Nile virus can be found on the IDPH website.

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Lead Follow or Get Out of the Way September 11, 2012 at 02:34 PM
You've told us they will be spraying for mosquitoes. You've told us WHY they will be spraying for mosquitoes. But you haven't told us HOW they will be spraying for mosquitoes? Trucks, air, on foot? What can the public expect to experience?
Claudia Lenart (Editor) September 11, 2012 at 05:08 PM
A public works representative confirmed it is by truck, a fogger.
Lynelle Sachen-Ducommun September 11, 2012 at 08:11 PM
I live in Forest Lake, unincorporated Lake Zurich. Will this area be included in the LZ spraying?
Susan September 12, 2012 at 02:55 PM
IT'S ABOUT TIME!!! They should have never stopped. I have a wetland behind my house that they should be spraying every year. I'm sure there isn't a resident in this town that wouldn't pay an assessment every year for the village to spray each summer. Last year was so bad, you couldn't walk out the door without getting them in your eyes! But, the village didn't think it was worth it............my neighbor is the man who got West Nile a few years ago.......he was hospitalized for a long time.....and they still didn't spray!!! I think the State should MAKE them spray EVERY summer to keep it liveable in this area during the summer.
Karen September 12, 2012 at 06:22 PM
Did we ever find out if Forest Lake was sprayed? I didn't hear the truck come down so not sure if they did spray us. Can't understand why we wouldn't be included though. A wooded subdivision surrounding a lake equals an over abundance of mosquitos.
Claudia Lenart (Editor) September 12, 2012 at 08:04 PM
I am checking on this.
Claudia Lenart (Editor) September 12, 2012 at 08:19 PM
Forest Lake was not included in the spraying as it is outside the Village of Lake Zurich boundaries, according to the public works department.
Karen September 12, 2012 at 10:06 PM
Not spraying in Forest Lake is very disappointing. I would have figured that they would have included all the surrounding subdivisions including the unincorporated ones.


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