How to Stop Cluster Flies Returning

These enormous black flies, also referred to as attic flies, are frequently the same size and shape. They are slightly larger and slower than houseflies.

Both, however, carry the same health dangers, not to mention make life more difficult. Some of them even build nests within the house, in areas like windows, basements, and attics. As a result, they may become a nuisance.

How to Stop Cluster Flies Returning


The first step is to appropriately identify these pests, after which a good treatment for their existence may be implemented. So, without further ado, here’s what we’re going to do:

What is the definition of a Cluster Fly?

It’s a fly belonging to the Pollenia Genus, which is part of the Calliphoridae Family. Cluster flies have hairy body structures that are usually black in color. However, you may come across some species with distinct markings and colors all over their body.

Cluster flies are more common in the summer as the weather warms up. Furthermore, they may occur in the winter since eggs hatch indoors, where the temperature is normally warm. So, if you see cluster flies in your house during the winter, keep in mind that it could be because of the warm weather.

Are Cluster Flies a Threat to Humans?

Cluster flies can be deadly, which is why you should try to prevent them from returning. They can damage cooking surfaces and food, and you’ll notice a lot of them when there’s a strong food odor in the house.

Food poisoning, cholera, diarrhea, and other ailments are among the ailments that cluster flies can spread. Keep in mind that they might also generate a negative impression on your visitors. The main reason for this is that they are often associated with poor hygiene.


Cluster Flies: How to Get Rid of Them

Once these winged insects have found their way into your home, there isn’t much you can do but hunt them down and destroy them. Consider the following methods to naturally get rid of flies and prevent them from returning:

1. Vacuuming the entire house

When it comes to getting rid of cluster flies, the suction strength of a vacuum cleaner works wonders. Using a vacuum, especially when targeting hard-to-reach locations such under the table, might be useful. The flies, as well as their larvae, will be drawn in by the vacuum’s suction power. So, though it’s not a foolproof approach to get rid of cluster flies, it’s still a viable one. Consider using a small portable vacuum cleaner if you’re concerned about prices.

2. Keep the House Safe

Cluster flies are drawn to the surroundings around your home in some cases, and you have little control over the situation. If this is the case, you should think about improving the structure of your home.

To be more particular, you must identify measures to seal any openings that the flies could utilize to enter the house. Sealing windows, doors, and other openings is one of them. Polythene, window sealants, cement, mesh structures, and other materials can be used to seal them.

3. Hygiene should be self-evident.

All pets are drawn to unsanitary situations. Yes, indeed! It’s the main reason you’ve suddenly observed cluster flies in your home. Flies are attracted to rotten food, filthy surfaces, leftover food, food detritus, and other sources of sustenance.

Cluster flies will also be attracted to a lack of hygiene in other areas of the household, such as pet waste, unclean linen, and animal carcasses. So, in addition to the usual hygiene procedures, think of new ways to maintain your property clean. Here are a few suggestions:

• Get rid of standing water, which attracts flies and serves as a breeding site for them.

• Put your trash in a strategic location and don’t leave it in the house overnight.

• For your sofa and carpets, use deep cleaning tools.

• Eat in appropriate locations, such as the dining room rather than your bedroom.

• Hire professional house maintenance services every now and again.

4. Install Fly Traps

Insects can be annoying, especially if you live in an area where they are common, such as around water sources. As a result, putting in place ongoing measures like fly traps can assist kill any cluster flies that manage to sneak through. Setting up the traps in strategic locations throughout the house is an excellent idea. For example, in the kitchen or other places where your children are likely to come into contact with food. Any fly that wants to make life difficult at home will find the trap to be a great backup plan.

Read: What do flies drink?

Frequently Asked Questions

What is the Best Way to Get Rid of Cluster Flies in My House?

Decomposing food and sugary substances are ideal for cluster flies. You can use pyrethrum spray, such CB 80, which is safe to use indoors. Additionally, apply it gently to get rid of flies and keep them away from places like kitchen countertops.

Is it Possible to Get Rid of Cluster Flies Forever?

Cluster flies can be eliminated for food. It relies, though, on how thorough you are with the techniques and approaches you employ. Furthermore, it is dependent on the weather as well as elements such as your property’s hygiene.

Cluster Flies: How Long Do They Last?

Cluster flies have extended lifespans, up to 12 months on average. They may have to hibernate to get through the tough winter circumstances. As a result, you may need to develop techniques to check your property for their nests on a regular basis.

Cluster Flies Despise What Smells?

Cinnamon, lavender, eucalyptus, and other scents irritate cluster flies. Spraying these oils around the house is not only pleasant to smell, but it also works to keep pests away. It’s one of the most effective natural ways to get rid of cluster flies.

Article: What do cluster fly eggs look like?


Even though flies perform an important function in the environment, they may be a nuisance and make living unpleasant at times. In this situation, you’ll need to be aware of a variety of methods for detecting and managing their existence in your surroundings. We’ve been looking at strategies to stop cluster flies from returning in this tutorial.

Collin Miller

Since 2002, Collin has specialized in the pest control industry. He has a Pest Control and Termite Control Commercial Applicator License. He serves on the Missouri Pest Management Association board of directors as a director at large, and he attempts to provide a personal touch in pest eradication to customers in the Ozarks. When the weather is great, Collin enjoys working in his yard, cooking, and hanging out with family and friends, as well as watching football.

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