Sasha CampbellCluster flies, known as attic flies, are a common household pest. They often invade homes during the cooler months, seeking warmth.
Unlike houseflies, they aren’t attracted to garbage or food. However, they can still become bothersome when they invade in large numbers.
Let’s explore natural methods for tackling cluster flies.
Identification
Adult cluster flies are pests that closely resemble common houseflies but behave differently [1]. They are often mistaken for regular flies but are, in fact, large, slow-moving flies that enter homes in the cooler months to hibernate.
So, unlike regular flies, cluster flies are more sluggish. However, they cluster in large numbers, particularly in attics and window areas.
How to Get Rid of Cluster Flies Naturally
Below, we will look at home remedies and natural methods to effectively control cluster flies.
1. Temperature Control
Cluster flies prefer warmth. That is why you often find them in attics and other warm areas.
So, reducing the temperature in these spaces can discourage cluster flies from settling in.
Keep rooms like attics or unused spaces cooler by improving ventilation or adding an air conditioner. Also, try to limit access to warmer rooms during cluster fly season by keeping doors closed.
2. Vacuuming
Another way to manage cluster flies is by vacuuming up any visible flies. Use a vacuum cleaner with a hose attachment to quickly collect them.
Make sure to empty the vacuum bag immediately after. This method will prevent any flies from escaping or returning.
3. Swat Them
If vacuuming isn’t an option, simply using a fly swatter to kill cluster flies is another straightforward approach.
Their slow movement makes it easier to swat them than regular houseflies. You can use a traditional swatter or an electric one for quicker results.
4. Use Traps or Flypaper
Large sticky traps like this one, or flypaper, are helpful tools for trapping cluster flies. Hang them near windows, attics, or areas like the bathroom where you see clusters.
The flies will be drawn to the light and become stuck. These traps are non-toxic and a great natural option for indoor use.
5. Diatomaceous Earth
Diatomaceous earth is a natural powder that you can sprinkle in areas where cluster flies enter or hide. It works by dehydrating the insects.
Therefore, sprinkle it around areas where these flies may enter your house. You can also use it outside, where you spot grass flies.
You can also use essential oil diffusers to help keep flies away.
6. Clean Up Any Food or Garbage Lurking Around
These flies aren’t particularly interested in food or garbage like other flies. However, keeping your home clean and free of food scraps is still a good idea.
Flies are generally attracted to moisture and food, so keeping your home tidy can help reduce their attraction to your home.
7. Sprays Containing Pyrethrins
Pyrethrins are a natural insecticide derived from some chrysanthemum flowers [2]. They are commonly used in sprays to control various garden pests, including cluster flies.
These sprays are effective because pyrethrins quickly paralyze and kill insects upon contact. There are many available options (like this product) that are both effective and safe to use.
8. Clean Attics and Crawl Spaces
Cluster flies often hibernate in attics, basements, and other protected spaces. Therefore, keeping these areas clean and free of debris can help prevent fly infestations.
9. Seal All Openings to Your Home
The best way to prevent cluster flies from entering is to seal potential entry points. Check your home for cracks and gaps around windows, doors, or rooflines, and seal them.
10. Vinegar and Dish Soap
You can also make a simple DIY trap using apple cider vinegar and dish soap.
Flies are attracted to the smell of vinegar, but when they land on the mixture, the soap reduces surface tension, trapping them in the liquid.
Therefore, fill a shallow dish with apple cider vinegar and a few drops of dish soap. Mix it up so the liquid soap spreads out evenly. Finally, place the solution near where you see flies.
11. Essential Oils
Certain essential oils, such as lavender, eucalyptus, and peppermint, can be natural repellents.
Cluster flies hate these strong smells. Therefore, mix a few drops of essential oil with water in a spray bottle.
Apply this homemade cluster fly spray to the entry points of your home. You can also spray it on countertops or surfaces where they may land.
12. Essentria® IC Pro
Essentria® IC Pro is a plant-based insecticide made from botanical oils. It’s an excellent choice for anyone wanting an eco-friendly product. It is a good option for indoor use.
Spray it around areas where flies gather to help keep them at bay.
Takeaway
Dealing with cluster flies can be frustrating. But with natural solutions like those above, you can manage and prevent them from making your home their winter hideout.
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