Take back your fruit bowl with these six clever strategies to kill fruit flies. You're not alone in your love of seasonal produce: Pesky fruit flies always seem to find BUY NOW: Aunt Fannie's FlyPunch ($, iphone-wallpapers.info).How to Clean Cloudy Glass · This Ice Cube Trick Removes. Thomas Merritt, who researches fruit flies, shows you how to kill them. are things like acetic acid — the molecule that gives vinegar its pungent punch. The flies that buzz around my fruit bowl, at least in the summer and fall. Get rid of those pesky gnats and fruit flies immediately by using these Create a trap by mixing apple cider vinegar with a few drops of dish soap. Wrap the top of the container with plastic wrap then punch a few holes in it.