Method 1 For this DIY fruit fly trap, you’ll need soap, apple cider vinegar, and a jar. To a jar, pour about half a cup of apple cider vinegar. Then, add a few drops of liquid dish soap and ...

Home and household blog Apartment Therapy shares instructions for building an ultra-simple fruit fly trap: Get ready: All it takes is cider vinegar, a jar, dish soap, and plastic wrap.

After numerous experiments, the trap that wooed the most deer flies proved to be a 6-inch flowerpot painted bright blue – capturing as many as 30 deer flies in a one-minute test.