What you say if I told you that you could eliminate your fruit fly problem with 3 Place apple cider vinegar in a small bowl and cover with plastic cling wrap. Never miss out on a FUN new meal or idea and SIGN UP to have my posts sent right . reviews · Round-Ups · salads · seafood · side dish · Slow Cooker · Smoothies. Step 2: Add the bait – It's important that you use a good quality balsamic vinegar to attract the fruit flies. Don't use a pre-mixed salad dressing that has balsamic. Find and save ideas about Fruit flies vinegar on Pinterest. | See more ideas about What kills fruit flies, Catch fruit flies and Pest control supplies.