Best instrument to gain rid of fruitflies??
Get an out-of-date coffee container with a plastic lid and place syrup or sugar hose in it. Then poke highly small holes just immense enough that they can achieve in. they can gain in but cant carry back within with the sharp edges.
Fruitflies are attracted to ripe and fermenting fruit. If it is outdoors bagging and disposing of the fruit will lend a hand. You could add it to a compost pile as in good health. In the house, you may have to place the fruit surrounded by a refrigerator until the flies disperse.
Or something that would be interesting would be to get some insectivorous plants such as sundews or Venus flytrap and use "bio-remediation" to remove the pests!
Answers: The best way to return with rid of them is to not have fruit lying around. But, since most of us close to fruit, this is not always practical.
Like a previous poster, I, too, come up with a trap of sorts. I used a rag coffee filter and a tin can. Cut up a banana peel, or an overripe banana. Place the cuttings surrounded by the can. Using a cone style coffee filter, cut the bottom out of it, or poke small holes in it. Then, cartridge the coffee filter to the open stop of the can with the pointy finish off down inside the can. Essentially, they crawl in, and can't crawl out! I tried darken the opening of the trap near a black marker to see if it would engineer it harder for the more intelligent flies to get out... some WILL gain out, it's inevitable.
When you figure that you've gotten ample flies in the trap, put it within a plastic bag, tie it shut, and put the integral thing within the garbage. If you want to see how powerfully it worked, take it outside and friendly it to see how full it is.
If you want to spend money on a solution, you can try these traps:
http://www.leevalley.com/garden/page.asp...
I have tried these, and I did find them more successful than my home made ones, but if you consider the cost of them... well, you'll own to decide for yourself which is better.
Hope this help!