The secret to pest control is to keep an eye on your fruiting plants, so that you can spot pest incursions early. This is especially critical with Fruit Flies. If you miss the first Fruit Fly incursion of the season, you might have an even bigger problem later in the season.
Monitoring your trees with traps is an excellent option. Fruit Flies are quite small and not easily spotted, but the traps will do that for you (see Monitor). Some traps may catch other insects as well as Fruit Flies, so you need to know what Fruit Flies look like (see Description).
Prevention is always better than cure. There are several measures that you can do to prevent or minimise damage by Fruit Flies (see How to Prevent Fruit Flies Appearing). Apart from exclusion bags and nets, there is no easy way to prevent fruit fly infestations.
Fruit Fly control is mandatory in some states, for example some regions of Western Australia. Contact your local Department of Primary Industries or your Municipal Council for information if you are in a Fruit Fly area.
To control Fruit Fly, try Yates Nature's Way Fruit Fly Control, which attracts males and females of both Queensland Fruit Fly and Mediterranean Fruit Fly with a protein and sugar-based bait. The flies feed on the bait that also contains Spinosad, an insecticide derived from a naturally occurring bacteria, that kills them. Follow label instructions. Baits such as this are based on knowledge about Fruit Flies. The flies need sugar for energy and protein for reproduction, which makes the bait doubly attractive to them.
The Fruit Fly control methods mentioned here aren’t mutually exclusive, you may need a combination. For example, you can use fruit fly traps to alert you to the presence of flies. You could then apply Yates Nature's Way Fruit Fly Control. You could also manage fallen fruit to prevent more flies emerging.
If your prevention methods fail, and an infestation occurs, destroy all infested fruit to prevent a new generation emerging in your backyard. Encourage your neighbours to be as diligent as you. Fruit Fly control is more effective with a neighbourhood approach, because these insects can fly.