
Flies are attracted to a variety of substances, including decaying organic matter, sugary substances, and light. While the exact reasons are not yet known, some people believe that plastic bags filled with water can repel flies, while others argue that they may actually attract them. In addition, flies are drawn to lights, both indoor and outdoor, and can enter homes through open doors and windows. Certain species of flies, such as fruit flies, are attracted to fermenting fruit and sugary substances, while common house flies are drawn to decaying organic matter. Understanding the specific type of fly and its attractions can help in implementing effective control and prevention measures.
| Characteristics | Values |
|---|---|
| Lights | Attract flies from a distance |
| Ultraviolet light | Draws flies into a trap |
| Traps | Baited traps, light traps, sticky traps, DIY fruit fly traps |
| Baits | Apple cider vinegar, wine, bananas, orange slices, apple cider, sugar |
| Food | Garbage, uncovered food, decaying organic matter, rotting meat, sugary substances, overripe fruit, spilled soda, alcohol, manure, pet feces, drains, drains with scum, compost bins |
| Water-filled plastic bags | May attract or repel flies |
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What You'll Learn

Flies are attracted to light, especially ultraviolet light
Outdoor lighting also attracts flies, and they can enter homes through broken screens or entry points. To prevent this, it is important to seal entry points and keep the home clean. Lights should be mounted so they are not visible from the outdoors.
While some people believe that hanging plastic bags filled with water can repel flies, the effectiveness of this method is disputed. Some claim that flies are scared off by seeing their own reflections in the water bags, while others suggest that the multi-directional refracted light produced by the bags confuses the flies, causing them to fly away. However, there is no scientific consensus on the effectiveness of this method, and some studies have even suggested that water bags may attract more flies.
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Plastic bags of water may repel or attract flies
Plastic bags filled with water have been a topic of debate for repelling or attracting flies. Some people believe that hanging plastic bags filled with water can effectively repel flies, while others argue that it may actually attract them. This belief is based on the idea that flies are scared off by seeing their own magnified reflections in the water bags, or that the multi-directional refracted light produced by the bags confuses their sense of direction, causing them to fly away. However, scientific research has not provided a definitive answer, and opinions remain divided.
One study conducted by Mike Stringham, a North Carolina State University (NCSU) researcher, examined the effects of water bags on flies at an egg-packing plant. Stringham counted fly droppings on white "spot cards" and concluded that the water bags attracted more flies rather than repelling them. The study contradicts the popular belief that water-filled bags are an effective fly repellent.
Proponents of the water bag method argue that it is a simple and inexpensive solution to keep flies at bay. They suggest that the bags should be taped to doors or suspended in areas where flies are a problem. Some variations of this method include adding pennies or tin foil flakes to the water-filled bags, although the effectiveness of these additions is questionable. It is important to note that while some people swear by this technique, others have tried it and found it ineffective in deterring flies.
On the other hand, flies are known to be attracted to a variety of substances and conditions. Common house flies are drawn to decaying organic matter such as faeces, rotting meat, and garbage. Fruit flies, on the other hand, seek sugary substances and are commonly found on overripe fruit, spilled soda, alcohol, and countertops with fermenting fruit. Drain flies require moist environments and organic materials, making uncovered garbage cans, drains, and outdoor picnics attractive to them. Keeping a clean and sealed home is essential to preventing fly infestations.
While the effectiveness of plastic bags of water as a fly repellent is uncertain, maintaining good hygiene and sanitation practices remains the best way to prevent and control fly infestations in homes and businesses. Removing indoor and outdoor trash, covering garbage containers, cleaning up pet faeces, and sealing entry points are crucial steps in reducing fly numbers. Additionally, using traps, insecticides, and light traps can help control fly populations when they do enter the home.
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Rotting food in plastic bags can prevent flies from accessing it
Flies are a common problem for many households, and they can be extremely irritating. The process by which a fly consumes food is disgusting. Flies do not have mouths or teeth, so they cannot eat like humans do. Instead, they have a proboscis, which is like a big straw. To get food into its belly, a fly must first empty its stomach contents onto the food it intends to digest. The fly then sucks up the food with its proboscis. Flies are attracted to rot and decay, and they lay their eggs in such environments. Common house flies are attracted to decaying organic filth such as faeces and rotting meat, whereas fruit flies seek sugary substances and feed more commonly on overripe fruit, spilled soda, and alcohol. Drain flies require moist climates and organic materials and will be attracted to drains where they will lay their eggs.
To prevent flies from accessing rotting food, it is recommended to seal the food waste in a plastic grocery bag. This simple step can significantly reduce your fly problem. However, it is worth noting that flies may still be attracted to the bag, mistaking it for a dark and safe place to reproduce. In addition, some flies may be attracted to the plastic bag due to the multi-directional refracted light produced, confusing their sense of direction. Therefore, while using plastic bags can help prevent flies from accessing rotting food, it may not completely eliminate the fly problem, and some flies may still be drawn to the bags.
To further reduce fly infestations, it is important to keep your home clean and seal entry points. This includes removing indoor and outdoor trash, keeping garbage containers covered and clean, and regularly cleaning up pet faeces. Throwing out rotting food and sanitizing garbage disposal areas are also effective measures. Ensuring tightly sealed windows and closed doors when not in use can help prevent flies from entering your home. Additionally, using traps, such as sticky resin-coated strips or light traps, can help control fly populations. These traps can be purchased or made at home using attractants like apple cider vinegar, wine, or banana slices. However, bait traps alone rarely provide adequate fly control, and insecticides may be necessary for more significant infestations.
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Plastic wrap with holes can be used to trap fruit flies
To make a fruit fly trap, you will need a jar, plastic wrap, and a rubber band. You can also use a small bowl or a yogurt cup with a lid. The first step is to put bait in the bottom of the container. The bait can be apple cider vinegar, red wine, old fruit, or a combination of these. Some people also add a few drops of liquid dish soap to the bait to break the surface tension of the liquid and drown the flies.
Once you have added the bait, cover the top of the container with plastic wrap and secure it with a rubber band. Then, poke a few small holes in the plastic wrap with a toothpick, fork, or hammer and nail. The holes should be big enough for the flies to get in but not so big that they can easily escape.
This trap will help to reduce the number of fruit flies in your home. It is important to keep your home clean and free of rotting food to prevent fruit flies from returning.
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Plastic containers of apple cider vinegar can attract and trap flies
Plastic containers of apple cider vinegar can effectively attract and trap flies, specifically fruit flies. This is because fruit flies are attracted to the smell of vinegar, which is similar to the acetic acid produced by fermenting fruit.
To make a DIY fruit fly trap, pour apple cider vinegar into a plastic container, such as a jar or bowl, and add a few drops of dish soap. The dish soap breaks the surface tension of the vinegar, causing the flies to sink when they land on it. Cover the container with plastic wrap and secure it with a rubber band. Poke several small holes in the plastic wrap using a knife or fork, ensuring the holes are large enough for fruit flies to enter but small enough to prevent their escape. Place the trap near areas where fruit flies are most active, such as the kitchen or trash bin.
In addition to apple cider vinegar, fruit flies are also attracted to ripe or fermenting fruits and vegetables. They are drawn to sugary substances and commonly feed on overripe fruit, spilled soda, and alcohol. Therefore, it is essential to dispose of rotting produce and keep your kitchen counters clean to prevent fruit fly infestations.
By using plastic containers with apple cider vinegar and dish soap, you can effectively attract and trap fruit flies, helping to eliminate these pesky insects from your home.
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Frequently asked questions
Flies are attracted to the food inside the plastic bags. Plastic bags do not repel flies. In fact, flies may be attracted to plastic bags because they provide a dark and safe place to reproduce.
Plastic bags can be used to seal food waste before disposal, preventing flies from accessing the food. Plastic wrap can also be used to cover DIY fly traps, such as a bowl of apple cider vinegar, to attract and drown flies.
Yes, keeping your home clean and sealing entry points is essential for fly control and prevention. Cover garbage containers, clean up pet faeces, throw out rotting food, and seal windows and doors when not in use.
Fruit flies are commonly attracted to plastic bags, as they seek sugary substances and overripe fruit. However, it is important to identify the specific species of fly to implement effective control measures.










































