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Flies really are vile creatures.

There is no denying the sinking feeling that arrives at the same time as the invasion of flies in one’s home or workplace. The first of the summer rains are behind us and the temperature is rising which means that flies will soon descend in their hordes.

How to differentiate between a few random flies and a fly infestation

A few noisy, annoying flies in and around your house or workplace might be annoying but it may not mean that you have a real infestation on your hands. Keep an eye out for these warning signs to know when something is serious:

Common signs of fly infestations

Learn to look in the places that flies love: light and water. Look for clusters of flies in areas such as light fixtures, gutters, mulch or compost heaps.

Small dark clusters of spots

Check inside light fittings, towards the top corners of walls as well as areas that are tough to clean properly such as drainage channels, drains and below floor cavities where broken drains or pipes may accumulate. Check gully traps and areas around sinks, basins and below any floor tiling should also be monitored.

Frequent sightings of flies

If you are frequently seeing large numbers of flies buzzing around, especially near waste disposal areas, dustbins, or even waterlogged post plants. Even finding dead flies often can be an indicator of a bigger problem. If you notice large flies in a particular room or office and they congregate in that area, or the nearest window, check to see if there are any signs of rodent activity or if there are any foul odours, which may indicate a dead rodent or even birds nesting in one’s roof, of which flies will breed and will lead to one even seeing maggots potentially falling through the ceilings boards.

Finding maggots

If you find maggots, it’s a sure sign that flies are heading your way. You will typically see maggots in waste areas and near or in deteriorating food.

If you have checked any of the above, you may have a bigger fly problem on your hands.

Why are flies dangerous?

More than the nuisance they cause, flies are inherently dangerous because they are carriers of disease due to where they land and distribute germs from. They frequent rotten food manure, trash and even dead animals.

Flies may transmit everything from Typhoid Fever, Cholera, Dysentery, Leprosy and even Anthrax as well as various types of parasitic worms.

Although most of these would be uncommon the risk is significant and fly problems should not be left unattended.


Read more about how to distinguish between all the different species of flies here:

How do we treat fly infestations?

Read more here about how we treat fly infestations:

Fly Control Tips

  • Don’t let the flies in – keep windows and doors closed.
  • Fit fly screens to windows especially around kitchen and waste areas if flies are a serious problem.
  • Don’t leave food uncovered – flies spread diseases by landing on food before we eat it.
  • Clean up food debris or any liquid spillages from food consumption and preparation areas, under kitchen benches and appliances.
  • Garbage & Compost bins – ensure all waste containers have tightly sealed lids.
  • Pets – Not only is faeces a perfect breeding place for flies but flies might also land on your furry friend’s excrement before landing on your food, carrying bacteria and spreading disease.
  • Clear up dead flies – leaving dead flies can attract other pests such as carpet beetles.
  • Water butts, tanks and reservoirs – cover these with well fitted lids.
  • Drains – ensure drains are kept clean and free of debris to reduce fly breeding sites.

Flick Pest Control is here to provide a solution for any fly pest control query you may need help with, or for any other pest control solution, advice or concerns you may encounter. Give us a ring on 087 056 1021, drop us an email on or drop us a comment on our blog or social media platforms

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