Do Dead Flies Attract More Flies?

Do dead flies attract more flies? In this article, we will explore the truth behind this saying and whether dead flies actually have an impact on attracting more flies. Join us as we unravel the mysteries of fly behavior and shed light on this age-old adage.

Do Dead Flies Attract More Flies?

Dead flies can indeed attract more flies. When a fly dies, it releases chemicals known as oleic acid and phenol that signal to other flies that there is a potential food source nearby.

These chemicals can be detected by flies from considerable distances, attracting them to the dead fly. Flies are scavengers and are drawn to decaying organic matter, including dead flies, as a source of nourishment and breeding opportunities.

Therefore, the presence of a dead fly can act as a beacon, attracting more flies to the area. Ultimately, the accumulation of dead flies can lead to increased fly populations in the vicinity.

Why Does Killing a Fly Attract Other Flies?

Here are all the reasons killing a fly will attract more flies, in some more detail!

1. Pheromones:

When a fly is killed, it releases alarm pheromones that signal danger to other flies, luring them to the area.

2. Food source:

Flies are attracted to dead organisms for feeding purposes. Killing a fly might create a readily available source of food, drawing more flies.

3. Breeding opportunities:

Flies are attracted to decaying matter, including dead flies. Killing a fly may introduce additional breeding opportunities for other flies.

4. Aggregation behavior:

Flies tend to gather in large groups, a behavior known as aggregation. The act of killing a fly may trigger this behavior, resulting in more flies congregating in the area.

5. Opportunistic behavior:

Flies are opportunistic pests that are attracted to any potential food or breeding sources. Killing a fly may simply bring attention to an existing environment suitable for flies, attracting more individuals.

What Else Could Be Attracting Flies?

There actually quite a few things in and around your home that could be attracting flies to it. So make sure you don’t have any of the following in your house:

Food waste and decaying organic matter

Flies are attracted to food waste and decaying organic matter, as they feed on them. Ensure proper waste management and sanitation to minimize fly attraction.

Standing water and moist areas

Flies breed in moist environments, so stagnant water and moist areas can attract them. Eliminate standing water and dry out moist areas to reduce fly presence.

Garbage or compost bins

Flies are attracted to the smell of decaying organic matter in garbage or compost bins. Keep bins tightly sealed and clean regularly to prevent fly infestation.

Pet waste

Dog or cat feces can be a strong attractant for flies. Clean up pet waste promptly and dispose of it properly to avoid attracting flies.

Ripened fruits and vegetables

Overripe or rotting fruits and vegetables produce a sweet odor that attracts flies. Store fruits and vegetables properly and discard any spoiled produce promptly.

Uncovered food or food spills

Flies are drawn to uncovered food or food spills, especially sweet or sugary substances. Cover or store food properly, and clean up spills immediately to prevent fly attraction.

Outdoor lighting

Bright outdoor lighting can attract flies, especially at night. Consider using yellow bug lights or minimizing outdoor lighting to reduce fly activity.

Damp or dirty drains

Flies may breed in damp or dirty drains, so regular cleaning and maintenance of drains is crucial to prevent fly infestation.

Animal carcasses or dead animals

Decaying animal carcasses or dead animals can act as a strong attractant for flies. Properly dispose of animal remains to prevent fly infestation.

Floral scents

Some flies are attracted to floral scents, so having a garden with fragrant flowers may inadvertently attract flies. Consider planting fly-repellent plants or using natural repellents.

What Should You Do if You Notice a Bunch of Dead Flies?

If you notice a bunch of dead flies, you should act quickly to ensure that more and more don’t end up being attracted to your home.

1. Identify the source:

Check for any open food or garbage that may have attracted the flies, and ensure proper disposal.

2. Clean the area:

Using a vacuum cleaner or a broom, remove the dead flies from surfaces. Disinfect the area with a cleaning solution to prevent bacteria growth.

3. Find potential entry points:

Inspect windows, doors, and screens for any gaps or holes that may have allowed the flies to enter. Seal these openings to prevent additional infestations.

4. Reduce attractants:

Keep food stored in airtight containers, clean spills promptly, and maintain proper garbage disposal to minimize attractants for flies.

5. Implement preventative measures:

Install fly screens on doors and windows, use flytraps or sticky tapes, and keep your living space clean to deter future fly infestations.

Signs of a Fly Infestation

Flies are a common nuisance that can infest both residential and commercial properties. If you suspect a fly infestation, it is essential to identify the signs early to prevent the problem from escalating. Several indications can help you determine if you have a fly infestation.

1. Presence of flies:

The most apparent sign of a fly infestation is the presence of flies in your property. These insects are attracted to food sources and waste, so if you notice an increased number of flies, especially in areas like kitchens, trash bins, or near pet waste, you likely have an infestation.

2. Fly larvae or maggots:

Another sign of a fly infestation is the presence of fly larvae or maggots. These small, white worm-like creatures are typically found in moist or decaying organic materials, such as garbage, compost, or animal waste. If you come across maggots in your surroundings, it indicates a breeding site nearby.

3. Strange behavior of pets:

If your pets are continuously scratching, biting, or shaking their heads, it could be a sign of a fly infestation. Flies often irritate animals, causing them discomfort and restlessness. Pay attention to your pet’s behavior, especially if you notice them being agitated in specific areas.

4. Dark spots on walls or surfaces:

Flies tend to leave behind small dark spots on walls, ceilings, and surfaces where they frequently land. These spots are actually fly droppings and indicate the presence of flies in your property. If you notice numerous dark spots in concentrated areas, it suggests a significant fly infestation.

5. Unpleasant odor:

A foul and putrid odor can be an indication of a fly infestation. Flies are attracted to rotting organic matter and lay their eggs on such substrates. As the eggs hatch and maggots feed on the decaying material, it releases a strong and unpleasant smell.

6. Visible pupae or fly eggs:

Fly eggs are tiny and often hard to spot, but if you look closely, you may find them on food storage areas, garbage cans, or under appliances. Additionally, fly pupae may be visible in secluded areas like corners, crevices, or along walls. These cylindrical cocoons resemble tiny brown or black capsules.

How Can You Prevent a Fly Infestation?

Fortunately, if you do want to prevent a fly infestation in your home, there are plenty of things you can do to do so! Such as:

1. Keep your surroundings clean and tidy

Maintain a clean environment by regularly cleaning any food spills, removing trash, and disposing of organic waste properly. Clean and disinfect surfaces regularly.

2. Secure your doors and windows

Install screens on doors and windows to prevent flies from entering your home. Seal any gaps or cracks to eliminate potential entry points.

3. Properly store food

Keep food stored in airtight containers to deny access to flies. Dispose of overripe fruits or vegetables, and clean up any dishes or utensils with food residues promptly.

4. Manage moisture levels

Eliminate stagnant water sources and fix any plumbing leaks, as flies are attracted to moisture. Ensure proper drainage in and around your home.

5. Apply natural repellents

Use natural fly repellents, such as essential oils or plants like basil or lavender, to deter flies. Consider utilizing fly traps or sticky tapes in areas prone to infestations.

6. Keep outdoor areas clean

Regularly dispose of pet waste, clean up any spilled food or beverages, and maintain well-trimmed landscaping to reduce fly attraction outside your home.

7. Properly manage waste

Seal garbage bags tightly and ensure bins have tight-fitting lids. Clean the outdoor garbage areas regularly to prevent flies from being attracted to waste.

8. Seek professional pest control if needed

If despite your efforts, a fly infestation persists, consider contacting a professional pest control service to handle the situation effectively and safely.


Here are some frequently asked questions people have about dead flies in their home!

Do dead flies carry disease?

Dead flies can potentially carry disease-causing bacteria and viruses, especially if they have previously been in contact with fecal matter or other contaminated substances. It is always recommended to maintain cleanliness and proper hygiene to prevent the spread of diseases.

Where do dead flies normally come from?

Dead flies can come from various sources, including natural causes such as old age, as well as environmental factors like exposure to pesticides or insecticides. They can also be found in areas with poor sanitation or where fly breeding grounds exist, such as garbage bins or decaying organic material.

Do flies lay eggs on dead flies?

Yes, flies, including species like house flies, can lay eggs on dead flies. These eggs will eventually hatch into maggots, which are the larvae of flies.

Do dead flies attract bugs?

Dead flies can attract other insects, such as beetles or mites, as they provide a potential food source. The presence of dead flies may create an environment that attracts other scavengers or opportunistic insect species.

Do dead flies turn into maggots?

Yes, dead flies can turn into maggots. After a female fly lays her eggs on a suitable substrate, such as decaying matter or a dead fly, the eggs will hatch into larvae (maggots). The maggots then go through a development process before transforming into adult flies.

Do dead fruit flies attract more fruit flies?

Yes, dead fruit flies can attract more fruit flies. Fruit flies are attracted to the scent of fermenting or decaying organic matter, including dead fruit flies. Therefore, it is essential to promptly remove or dispose of dead fruit flies to prevent further attraction and infestation.


In conclusion, making sure that you’re removing dead flies as soon as possible is the best way to ensure you don’t end up with more in your house. After all, dead flies are only going to attract other flies over time, which can snowball your problem out of control.

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