Making a Fruit Fly Trap

Diamond Post Medal for All Time! 1,246 Posts
January 7, 2019

Plastic Bottle Fruit Fly Trap - finished trap with a floating flyWe have tried many things to get rid of fruit flies in our home, and this is hands down the easiest, cheapest, and most effective way. One of the most important things in order to catch them is the bait you put out. Fruit flies can be more attracted to some things more than others, whether it's vinegar, bread, actual fruit, and so on. After lots of testing here, we've found ours love a concoction of rice wine vinegar and juice from an overripe lemon. To make the trap, you just need to invert the top of a plastic bottle into its bottom. Easy enough!


Total Time: 5 minutes

Yield: 1 trap


  • 1 plastic bottle
  • scissors
  • rice wine vinegar
  • overripe lemon
Plastic Bottle Fruit Fly Trap - supplies


  1. Puncture the top of the water bottle where it curves.
  2. Plastic Bottle Fruit Fly Trap - put scissors into bottle at the top curve
  3. Cut the top off evenly. You won't need the cap.
  4. Plastic Bottle Fruit Fly Trap - cut off the top evenly
  5. You can cut the bottom of the bottle shorter. It's better shortened so it does not knock over when in use.
  6. Plastic Bottle Fruit Fly Trap - cut the bottom of the bottle down to make it shorter
  7. Fill the bottom portion with your vinegar and juice mixture.
  8. Plastic Bottle Fruit Fly Trap - fill the bottom with the vinegar and juice mixture

  9. Place the top portion upside-down into the base and watch the flies jump into their trap.
  10. Plastic Bottle Fruit Fly Trap - place the top inside the bottom, upside down
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Bronze Post Medal for All Time! 170 Posts
October 31, 2011

This may be an off-the-wall idea, but it has worked for me. All summer, we did not have any fruit fly problems. About ten days ago, there was an explosion of fruit flies in our kitchen.


It was the worst fruit fly problem we have ever had.

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October 26, 2009

Getting rid of fruit flies. First get a plastic grocery bag. Put the rotting fruit in the bottom of the bag. Set it on the counter fully open at the top with the sides pulled up. This is so the flies will go down to the bottom of the bag.

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August 9, 2007

Fruit flies were taking over the kitchen because of my wife and I love fruit. She hates them so I used a trick I learned in science class. Put a piece of fruit in the bottom of a glass. Then make a funnel with a piece of paper and put on top.

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July 4, 2017

This is a page about vinegar and dish soap fruit fly trap. A simple effective fruit fly trap can be made with apple cider vinegar and a few drops of dish soap.

trap next to bananas

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ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

October 26, 2009

There is an easy and very inexpensive way to rid your home of fruit flies. Simply build a fruit fly trap.

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July 14, 2009

It's that time of year when fruit flies can be a problem to get rid of. Recently when an old banana attracted them I had a "light bulb" moment.

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