Bar Flies, Fruit Flies, Your Home And Your Business

Australia is home to many species of fruit flies, so much so that identifying one species from another is a hard task for most.

Fruit flies on a cut orange

Bar flies are often known by a variety of different names including vinegar flies, fruit flies & fermentation flies. These flies are attracted to substances that are fermenting such as beer, wine, fruit juice, rotting fruit, or a build up of organic matter in drains and bins, etc.

Bar flies and fruit flies pose significant health and safety issues to hospitality businesses and their safe operation. Quite often, these businesses have food scraps like pasta, rice and vegetable scraps in their drains, providing an ideal breeding ground for adult flies.

If you have these nuisance pests at home or at your restaurant, pub or hotel, there are a few actions you can take to control them. If these actions fail to eradicate the problem, it is recommended that you contact a professional pest control company. Preventative actions can include:

  • Removing rotting fruit and vegetables from the premises and place in the bin
  • Collect and destroying any rotting or unwanted host produce
  • Avoiding untreated produce being put in your compost or worm farm
  • Avoid allowing food scraps to enter the drainage system
  • Keep fruit and vegetables in the fridge
  • Scrub clean bins regularly
  • Remove refuse regularly

If you are finding that the problem is not under control, CDI Pest Management can come to your premises and formulate a thorough treatment plan and begin action. This action involves treating resting surfaces and drains and imparting practical advice on ways to control the issue.

In the case of these bar and fruit flies, their breeding grounds tend to be in drains; and their lifecycle is very quick. This means that treatments need to be spread across a number of weeks until the breeding source is eliminated, depending on the severity of the issue.

You can also take preventive actions to help reduce and even stop these flies. We’ve listed some preventative measures below:


Traps use an attractant, like pheromones, food scents or visual cues to trap fruit flies into a container. Once captured inside the trap, the flies are unable to escape and are drowned in a liquid or killed by an insecticide.


Baits are commonly sprayed onto the foliage, trunks of trees, and plants. Both male and female fruit flies are attracted to these baits. Upon coming into contact with the baits, the flies are poisoned.


Exclusion by physical barrier is a preventative measure you can use in your garden that prevents female fruit flies from reaching your fruit and vegetables and laying eggs. Physical barriers can include insect gauze, nets, sleeves and bags.

Garden Hygiene

Garden hygiene is crucial in preventing fruit fly eggs and maggots from infesting your garden and yard. Good hygiene includes removing food scraps and liquid that may be lying around, washing and emptying rubbish bins regularly and discarding rotting fruit and vegetables immediately.

If you suspect that your business or home has bar or fruit flies, CDI Pest Management can attend your premises and carry out an expert assessment and treatment.

Find out more about some of Queensland’s most common pests here:

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