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Ladybug Infestations and Pest ControlIn an attempt to sell "natural pest control", certain companies around the country have been importing ladybugs from other parts of the world and selling them. These ladybugs are more aggressive and hearty than our own indigenous species, and they don't die each winter.

They hibernate on mountainsides, rocks and caves. In areas of the country where such natural habitats don't exist for them, they take advantage of the next best thing: our homes! So instead of being pest control, they've become pests themselves!!!

Fortunately, there are some sprays available that can be used indoors and outdoors to kill and repel them. There's something called cypermethrin that can be sprayed on the outside of the building, and an aerosol called Air Devil to use indoors.

More de-bugging suggestions from our contributors:

  • I live in the South and we get ladybugs really bad out here. They're mostly on the roof, and when we vacuum them up, it seems to work best.
  • I live in southern Indiana. If you vacuum them, sometimes they'll swarm all over you. I usually just crush them, but they smell something horrid.
  • My mother had an unbelievable problem with the orange ladybugs/beetles in her house. She was desperate for any suggestions and a coworker told her he'd heard that the scent of mulberry was a deterrent. She bought a couple of strong mulberry candles and even though it did not eliminate them totally, there was a very significant decrease in the amount of bugs.
  • Menthol works great, as in the Vick's "Vapo" products. You can put some in a humidifier and it will disperse in the room, or there is a plug-in version you can buy. You can sprinkle a bottle outside as well.
  • Mint oil worked for me. We had a very bad problem. Spray heavily around their favorite windows and light fixtures. Keep a jar or box with a lid on the window sill to collect the stragglers. Just hold the container below each bug (there won't be many after the second spray application) and flick it into the container with whatever (finger, paper, artist brush, side of the container itself). The few survivors won't be very active, so it's easy to collect them and they die quickly in the container if you spray it inside with mint oil. I found the mint oil spray in my local hardware store under the name Victor Poison Free Ant and Roach Killer. The MSDS sheet on it says it is not a hazard at all. The worst affected room is my bedroom, so I couldn't use poisons.
  • If it's a large amount call the exterminator. But for a small amount, you should not get rid of ladybugs because they eat aphids that eat the leaves of your plants, which then kill the plant.
  • Apparently they swarm in the fall on light, bright, colorful homes. They are looking to settle down for the winter months. The best way to get rid of them is to prevent them from coming into your home the first place: You should spray your doors and windows with a bug spray containing pyrethrins or permethrin.
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15y ago

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