Sprigs of Rosemary or Sage laid over a bowl of fruit/tomatoes chases away fruit flies. A plastic grated Parmesan cheese jar is perfect as a fly-catcher. There are two openings. One with three holes, leave that open. And one with a large opening to put remnants of ripe tomatoes or bananas or whatever you use to attract them. Close the three-hole side and shake every couple of days. Toss contents and refill when necessary.
Sprigs of Rosemary or Sage laid over a bowl of fruit/tomatoes chases away fruit flies. A plastic grated Parmesan cheese jar is perfect as a fly-catcher. There are two openings. One with three holes, leave that open. And one with a large opening to put remnants of ripe tomatoes or bananas or whatever you use to attract them. Close the three-hole side and shake every couple of days. Toss contents and refill when necessary.