Mosquito population control in St. Charles, bite prevention tips

10:34 AM, Jun 18, 2013   |    comments
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ST. CHARLES, Mo. (KSDK) - The St. Charles County Division of Environmental Health and Protection is asking homeowners to help reduce mosquitoes breeding areas and curtail incidences of the winged pest other biting insects.

According to the health department, the county's mosquito control program only sprays when residents notify staff that mosquitoes are a problem in their neighborhood. When alerted, health department staff injects larvicide in pools of standing water and spray trucks disperse small amounts of insecticide to reduce the number of adult insects.

Residents concerned about mosquito populations in their area should contact the Division of Environmental Health and Protection by phone at 636-949-1800 or visit the Vector Control section of the agency's website.

The health department also requests that residents take individual steps to protect themselves and their families. Insect repellent that contains DEET, picaridin, IR3535, or oil of lemon eucalyptus can discourage mosquitoes from biting.

The Centers for Disease Control and Prevention recommends wearing long-sleeved shirts and pants when outside and checking window screens for potential damage.

Additionally, the Division of Environmental Health and Protection staff recommends residents:
- Fill in or drain areas where water may stand for more than one week
- Empty watering cans, wading pools and other water containers after using
- Completely seal cesspools and screen all vents
- Clean clogged roof gutters and drain flat roofs so no water stays
- Cover all standing receptacles, such as rain barrels in rural areas, with netting
- Stock garden pools and ponds with small fish or aerate them
- Tilt wheelbarrows and machines with containers to prevent holding water

For additional tips on preventing insect bites, please visit


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