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Sunday, July 14, 2013

Fruit Fly Trap Recipe

Fruit Fly Trap Recipe


  • 1 pint mason jar or 1 recycled baby food jar, with lid if possible
  • hammer and standard nail OR ice pick OR plastic wrap, rubber band and a fork/skewer/toothpick


  • 1/4–1/2 cup apple cider vinegar, wine, stale beer or bourbon (white vinegar does not work well)
  • small piece of old, overripe fruit
  • 2-3 drops of dishwashing soap (this breaks the surface tension of the liquid, making it hard for the flies to escape)


  1. If you have the lid for your jar and want to make a long-lasting, spill-resistant trap, use an icepick or nail to poke 8-12 holes into the lid. You want the holes big enough for a fruit fly to enter, about 1/8 of an inch. (Don’t worry, they are too dumb to get out of such small holes, plus the dishwashing soap will help drown them.)
  2. If you don’t have the lid or want to make a temporary trap, use a piece of paper or plastic wrap and a rubber band to tightly cover the top of the jar. Poke several holes into it with a fork, skewer or toothpick.
  3. Fill the jar with about a half inch to an inch of apple cider vinegar, wine, beer or liquor. Stir in a couple drops of dishwashing soap, then place a small piece of overripe fruit into the middle of the liquid. Make sure the fruit is big enough to stick out of the liquid a little.
  4. Place the trap (or traps) where you normally see fruit flies. Every 2-3 days, dump the contents of the jar down the drain or into the compost pile, and start again with a fresh vinegar mix.

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