No more fruit flies.: put three drops of dish soap (whatever kind you use) into 1 cup of vinegar and leave it out in a bowl. The vinegar will attract the flies to the bowl and the soap will reduce the surface tension so the flies sink to the bottom
GET RID OF FRUIT FLIES! Every summer, I end up with at least one fruit fly infestation. It starts out innocently enough -- I'll notice a fruit fly or two buzzing around a bunch of bananas on the kitchen counter.