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These products can protect you when you go outside. You can spray on the insecticide or use products that make the area around them undesirable to the insects, such as candles. The best product for combating no-see-ums is DEET, but other products, such as citronella, can help.  Make sure that you follow all of the instructions when using these products. Insecticides can be dangerous when used incorrectly. Use insecticides only when you are going outside. Reapply them as directed on the product label. Keep the insects off your skin so that they can’t bite you. Cover your exposed skin with long sleeves, pants, socks, shoes, and a hat. You may even want to wear a hat with a fine mesh netting attached so that the bugs can't bite your face! Lighter-colored clothing will deter bugs better than darker clothes. These pesky insects will come into your home and bite you. No-see-ums are small enough to fly through a window screen, so the window must be fully closed to keep them out. Their most active time is the morning and evening, so it’s especially important to keep windows and doors shut during this time. Install mesh door and window screens to help keep the bugs out. Turning on a fan makes it harder for the insects to fly in the area. Any kind of fan will help, but an oscillating fan will protect the largest area. Use your fan safely! Don’t place it near a pool or other body of water, as it could fall in and create a shock hazard. Make sure that all extension cords are plugged in safely and do not pose trip hazards. No-see-ums lay their eggs in moist soil, which you’ll often find around ponds, rivers, and other waterways. Their most active season is mid- to late- summer, so you’ll encounter more of them around this time.  When camping during summer, choose a site that isn’t near a waterway. Since coastal areas can be a prime habitat, consult local maps before visiting or purchasing property in coastal areas.
Use an insecticide like DEET to kill the flies. Wear protective clothing. Keep your windows and doors closed in mid- to late-summer. Discourage the insects with a fan. Avoid moist soil, such as around waterways, during peak season.