You Asked: Do Fruit Flies Come From Inside Fruit? TIME Health eggs will do the trick: washing produce rinses away the eggs before they've hatched, as long as the fruit is ripe and fresh. Also, they're one of many insects that feed on decomposing food. . Or you could just live with your fruit fly friends. Fruit flies are attracted to the scent of ripened fruits and vegetables, both of which Fruit flies eagerly live and breed inside drains, where they can often find the Missing: heart. Fruit flies can be a problem year round, but are especially common during late summer/fall because they are attracted to ripened or fermenting fruits and Missing: heart.