
Flies are a common pest, especially during the summer when they reproduce rapidly. While there are many ways to repel flies, such as using citronella candles, apple cider vinegar traps, or yellow light bulbs, some people are interested in more direct methods of pest control. One popular method is the 'candle trick', which involves lighting a candle and placing it in the middle of a plate with a small amount of water, then turning off the lights and waiting for the flies to be attracted to the flame and drown in the water. This method is said to be the fastest way to banish flies from homes, but it is not without its limitations and costs.
| Characteristics | Values |
|---|---|
| Do candles kill flies? | No, but candles can be used to attract flies and trap them in water, causing them to drown. Citronella candles are also effective at keeping flies away due to their strong smell. |
| Types of candles used | Citronella candles, regular candles |
| Other methods | A vinegar bait made with apple cider vinegar, sugar, water, and dish soap can be used to attract and trap flies. |
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What You'll Learn
- Citronella candles repel flies but don't kill them
- Flies are attracted to light, so they may drown in water surrounding a candle
- A candle can be used to attract and kill moths
- Keeping your home and backyard clean is the best way to prevent flies
- Fruit flies have a jump reflex, so holding a candle at the right angle can make them jump into the wax

Citronella candles repel flies but don't kill them
Citronella candles are popular outdoor fly repellents. They are effective at keeping flies away due to the strong smell they emit, which overwhelms and repels the flies. However, they do not trap and kill the flies. The candles work by releasing smoke that carries the citronella scent, which masks the attractants that would otherwise draw flies to a particular area.
Citronella oil, derived from the leaves of certain Cymbopogon species, contains natural compounds that emit a strong aroma that flies find unpleasant. This aroma confuses flies' sensory receptors, making it challenging for them to locate food sources or suitable landing spots. The compounds in citronella may also interfere with flies' ability to detect carbon dioxide and other cues that lead them to humans and animals for feeding.
Citronella candles can be used in conjunction with other preventive measures, such as proper sanitation and waste management, to create an environment that is pleasant for humans and unwelcoming for flies. However, it is important to note that while citronella candles can help deter flies, they may not provide more protection than any other candle-produced smoke.
To effectively use citronella candles for fly repellent, it is recommended to burn them around the perimeter of outdoor spaces. Additionally, combining their use with other citronella products, such as diffusers, sprays, and plants, can further enhance their effectiveness in creating a fly-free environment.
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Flies are attracted to light, so they may drown in water surrounding a candle
Flies can be a nuisance, especially during the summer when they are most active and reproduce rapidly. They are attracted to garbage, filth, waste organic matter, and sweet and fermented liquids. While there are various methods to repel flies, such as using citronella candles, vinegar traps, or yellow light bulbs, another effective way to trap and kill them is by exploiting their attraction to light.
The "'candle trick'" is a popular method to get rid of flies. It involves lighting a candle and placing it in the middle of a plate with a little water. The lights are then turned off, and the flies, attracted to the candlelight, will drown in the surrounding water. This method is simple yet dangerous, as it can result in flies landing on the hot wax and dying instantly, as seen in some reports.
Flies are drawn to light sources, but it is unclear why they are willing to fly so close to candles. One theory suggests that their attraction to light may overpower their instinct to avoid fire. Additionally, the heat from the candle may not be a deterrent because insects might not feel heat or pain from fire.
While the "candle trick" can be effective, it is important to note that it may not be a long-term solution. Flies may continue to be attracted to the light, but over time, the trapped and dead flies can become an attractant to other live flies, reducing the method's effectiveness. Therefore, combining this trick with other preventative measures, such as maintaining a clean space, is essential to effectively manage fly infestations.
Overall, the "candle trick" is a fast and easy way to trap and kill flies by exploiting their attraction to light. However, it should be used in conjunction with other fly repellent methods and preventative measures to ensure a more comprehensive and long-lasting solution to fly infestations.
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A candle can be used to attract and kill moths
Candles can be used to repel flies, but they do not kill them. Citronella candles, in particular, are popular outdoor fly repellents. The strong smell emitted by these candles is what keeps the flies away. However, this method is only effective while the candles are burning.
While candles can be used to repel flies and kill moths, it is important to note that the most effective way to keep flies away is to prevent them from being attracted to your home in the first place. Flies are primarily attracted to garbage, filth, and waste organic matter. Regular cleaning of your home and surroundings, including garbage cans and pet waste, can help minimize the swarms of flies that visit your home.
Additionally, there are other methods to repel or trap flies. For example, hanging a bag of water in the area you want to keep flies out of can help reflect light and temporarily repel them. Using a vinegar bait trap or a sugar and water solution trap are also effective ways to attract and trap flies.
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Keeping your home and backyard clean is the best way to prevent flies
In addition to keeping a clean home, there are several other measures you can take to prevent flies from entering your home. One method is to use fly traps, but these should be placed as far away from your living space as possible since they can attract more flies. You can make your own fly trap by mixing apple cider vinegar, sugar, and dish soap, or by simply using a venus flytrap plant.
Another popular method to keep flies away is to use citronella candles. These candles emit a strong smell that repels flies effectively, but only while they are burning. While candles can be useful for repelling flies, they can also be dangerous, as some insects may accidentally fly into the flame.
To prevent flies from entering your backyard, you should regularly clean up after your pets and ensure there is no animal feces left unattended. Flies are attracted to feces, so maintaining a clean backyard can significantly reduce the presence of flies.
By combining regular cleaning with strategic use of fly traps and repellents, you can effectively prevent flies from becoming a nuisance in your home and backyard.
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Fruit flies have a jump reflex, so holding a candle at the right angle can make them jump into the wax
While candles can be used to repel flies, they can also be used to trap and kill them. One way to do this is to exploit the jump reflex of fruit flies. When threatened, fruit flies have a reflex that causes them to jump away. If you hold a candle at the right angle next to a fruit fly, it will leap into the candle and become trapped in the hot wax.
This method is most effective when the flies are swarming near a window or a kitchen sink. To ensure the fruit fly jumps into the wax, hold the candle so that the flame is level with the fly and tilted towards it at a 45-degree angle. When the flame gets close, the fly will spring away, but with practice, you can cause it to jump into the wax.
It is important to note that this method can be a fire hazard, so caution must be exercised. Avoid using this technique near curtains, fabrics, or flammable materials. Additionally, if you are using fly paper, keep it away from the flame, as it can easily catch fire. Be prepared for wax to drip onto surfaces, and always ensure you are in a well-ventilated area to avoid inhaling smoke.
While this method can be effective for killing individual fruit flies, it may not be practical for dealing with a large infestation. Other methods, such as using citronella candles, essential oil sprays, or fly traps, may be more suitable for repelling or capturing larger numbers of flies.
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Frequently asked questions
Candles can be used to kill flies. Flies are attracted to light, so if you light a candle and place it in the middle of a plate with a little water, the flies will be drawn to it and drown in the water.
Citronella candles are a popular choice as they repel flies with their smell. However, they are not designed to trap and kill flies.
Yes, a DIY fly trap can be made using apple cider vinegar, dish soap, sugar, and water. Flies will be attracted to the trap and die upon contact with the solution.
Keeping your home and backyard clean is essential, as flies are attracted to garbage, filth, and waste organic matter. Regularly cleaning up pet faeces and taking out the trash will help prevent flies.











































