You may have seen the fruit fly trap where you cut a 2 liter soda bottle in half and then invert it on itself. Functional, cheap, but not necessarily an attractive decoration. Here is how to make a trap out of an empty wine bottle (or if you don’t have one handy, try this cool bottle).
1. Place a sweet fluid in the bottom of the bottle like apple cider vinegar, the last few drops of wine, etc.
TIP: Rinse it out and make a new funnel periodically.
Not a fan of using empty alcoholic beverages as decorations or seeing the fruit flies crawl around? Spray paint the wine bottle first or get one of these cool bottles.