
12/31/03, 09:32 PM
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Join Date: Dec 2003
Location: Colorado
Posts: 1,274
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As a professional exterminator, I have some advice. Good fly control does not require any pesticide. Just eliminate the breeding site. Fruit flies have bright red eyes visible to the naked eye. Little quacker had the correct answer. If its a fruit fly, find the fruit and discard it. It also could be breeding in aluminum cans if you store unrinsed empties inside. No pesticide is required. They do, you can, make traps that contain vinegar or other attractants, but you are just collecting them and not eliminating the breeding site.
Fungus gnats are close to the same size as fruit flies. They will breed in a variety of places. First, look for the overwatered house plant. They like brackish water. You'll know you have the right plant if you can see the bugs crawling on the dirt or on the pot. Houseplant remedies include discarding, repotting, and spraying the surface of the pot and soil with a quality residual pesticide. Home depot sells a product called Home Defense with the active ingredient being bifenthrin. This product will last about 6 months, especially on a surface like the plant pot.
I have heard of home made drenches that are supposed to kill those breeding in the rootball, but have never found a tried and true recipe. Other possible breeding sites include inside the garbage disposal, and a drain that hasn't been used in a long time, (so the p-trap is empty). Clean the disposal with a good disenfectant mix, add water to dry drains. I have also seen gnats reproduce in grass cuttings that build up under a lawnmower. gobug
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