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Home : News : Special Adult Mosquito Control Application July 11

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Special Adult Mosquito Control Application July 11


The South Lake Mosquito Abatement District will be conducting an aerial adult mosquito control operation at dusk on Thursday evening, July 11, 2013 to help reduce the adult mosquito population. The operation will treat the Cities of Highland Park & Highwood and Villages of Bannockburn, Deerfield and Riverwoods. This application is weather dependent; if Thursday’s treatment must be postponed, it will take place on the next possible evening. With the recent rains, mosquito populations have climbed to levels that go beyond nuisance and threaten quality of life for our residents. Four more information, visit

South Lake Aerial Application Frequently Asked Questions
Why is an aerial application taking place?

The South Lake Mosquito Abatement District conducts a mosquito control program that is science-based, with various threshold triggers that call for different treatments based on surveillance, i.e., trap counts. With the recent rains, mosquito populations have climbed to levels that go beyond nuisance and threaten quality of life for our residents.

What time is the application?

The application is scheduled to being after dusk, approximately 8:40 p.m. Because mosquito control is weather-dependent, wind speeds on the ground and in the air may impact our application times.

What products are being used?

The product we are using is Duet, which is registered and approved by the EPA for use in this type of application. A very small amount of active ingredient is used — about a tablespoon treating an acre. The droplets are configured to interact with a mosquito's physiology, and the application is not expected to impact on beneficial insects, pets or people. The last time an aerial application took place we saw about 85 percent reduction in mosquito populations.

Do I need to take special precautions? Cover my gardens? Stay indoors?

The product we will be using during our aerial mosquito control application has no re-entry restrictions, and residents do not need to take any special actions during the application. The product breaks down very quickly in the environment and has no residual effect. There is no particular concern for fruits and vegetables, though it’s prudent to wash any home-grown food before eating. There is no need to cover ornamental plants.

Is this harmful to bees and beneficial insects?

These mosquito applications will be conducted during the evening when mosquitoes are most active and bees have returned to the hive. The product dissipates and breaks down quickly in the environment, and when bees emerge in morning hours, they are not impacted. We do not anticipate any impact to bees or other non-target species.

Is this harmful to aquatic life and waterways?

At the dosage rates and droplet configuration used in this operation, there is no risk of contamination of lakes, streams and waterways and there should be no impact to aquatic life. The product is approved for use directly over water to target adult mosquitoes.

For additional questions, please contact the district at




Frequently Asked Questions


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