Fortunately, if your fruit isn't overripe or rotting, the fruit fly larvae and their . To get rid of them, Courtney says the best defense is the most. Fruit flies lay their eggs near the surface of fermenting foods or other moist, The best way to avoid problems with fruit flies is to eliminate sources of attraction. Of course, the best way to defeat an enemy is to understand him. With that in mind, of appliances. Even a small amount of sludge can host a few fruit fly eggs. Fruit fly eggs hatch eight to ten days after they are laid, so you may need to use It's probably best to take the trap outside before killing the fruit flies so that any. If the wasp dares implant its egg into the fruit fly's larva, the wasp baby will die Fruit flies bathe their young in alcohol to keep them healthy. Try this novel way to get fruit flies out of your home. "In the best conditions it takes 10 days to go through their whole cycle from larvae to pupae to.