Though these bugs are small, they pose a HUGE annoyance factor. We've found them in every room of the house. Argh!
Some would advise getting rid of the fruit, kombucha, compost bin and other countertop fermenting experiments. I'm not yet ready for that drastic step.
Enter the fruit fly trap.
Pour 1/2 inch apple cider vinegar in the bottom of a jar. Add a slice of banana. Roll up a piece of paper into a funnel then tap it to the jar, making a nice seal.
The flies go in - and can't figure out how to leave!
You can wait for them to drown or stash the jar in the freezer for a bit. Either way flies die.