Where do fruit flies come from??

Question

what makes fruit flies appear out of nowhere?

Answer 1

A congregation of fruit flies can become a nuisance. Fruit flies feed on alcohol, which is produced when fruits and vegetables begin to ferment. The alcohol in wine, beer, and other alcoholic beverages is also appealing to fruit flies. Fruit flies not only feed on these foods, but also lay eggs in them that hatch into larvae in a matter of hours. In almost the blink of an eye, fruit flies can infest any kitchen.

Removing the food source is the first step to eliminating fruit flies. Some non-food items, such as wet mops, dirty dishes, and old sponges, are able to support fruit flies, so be sure to clear these from your home as well. The remaining fruit flies can easily be trapped by constructing a paper funnel and placing it in a jar or bottle containing a small amount of wine, beer, or decaying fruit. The fruit flies will enter the funnel to reach their feast and will not be able to find their way out.

Answer 2

they can smell it for miles.

http://en.wikipedia.org/wiki/Drosophila_...

Answer 3

Fruit flies need very little to call your kitchen their “home, sweet home.”

All that they require is a moist area of fermenting stuff. That stuff can be ripened fruits or vegetables, as well as drains, garbage disposals, empty bottles and cans, trash bags, or cleaning rags and mops.

Fruit flies lay their eggs—up to 500 at a time—on these moist surfaces. When the larvae hatch, they feed on the surface too. Because they only feed on the surface, you probably won’t eat any of the insects if you just toss out the damaged or over-ripened parts of fruits and vegetables.

Because the flies are so teeny, they can sneak into houses as adults through window and door screens or on fruit as larvae.  

Answer 4

Their eggs are already on produce you bring home from the store.