What Does a Fly Eat and Can I Use It as a Trap?

What does a fly eat? Seeing a house fly in your home can be quite annoying. In fact, seeing any other kind of bug like fruit flies can be just as frustrating to any home owner. Just in case you didn’t know, there are plenty species of flies in your home that can lay eggs like:


  • Adult blow flies
  • Horse flies
  • Fruit flies
  • Cluster flies/cluster fly species
  • Bottle Flies

Remember most flies like to feast on spoiled meat and other rotting food sources. So, it will be a good idea to ensure that you don’t leave anything out that can spoil. If you are looking for a way to get rid of horse flies, cluster flies, or other species of flies then you have come to the right place.

In this article, we will be teaching you how to get rid of fruit flies, house flies, and cluster flies. We will also be teaching you how to prevent flies in your home.

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What Do House Flies Eat?


House fly problem, flies (Musca domestica) are a common nuisance in homes and outdoor spaces. Understanding what house fly larvae and flies eat can help in implementing effective fly control measures.

House flies are classified as scavengers and feed on both the solid food and liquid substances. Their special mouthparts are designed for sponging and sucking, allowing them to consume a diverse range of plant liquids and foods.

Organic Waste and Decaying Matter

House flies are particularly attracted to decaying organic matter rotting food. This includes solid foods:

  • Rotting fruits and vegetables are what house flies eat. fly full: Overripe fruits and vegetables serve as a feast for house flies, as they provide a combination of sugars and fermenting substances that they find irresistible.
  • Animal flies feed on human feces: House flies are one species notorious for landing on animal waste and using it as a feeding ground. They are drawn to the nutrients present in fecal matter.
  • Carrion: Dead animals or carcasses, such as roadkill or decomposing animals, are another food source for house flies. They assist in the natural process of decomposition.

Sugary Substances

House flies have a strong affinity for sugary substances. They most often flies eat and are attracted to:

  • Syrups and sweet beverages: House flies can often be found buzzing around spilled syrups plant juices alcoholic beverages, sugary drinks, or leftover residues in containers.
  • Nectar: Flies are known to visit flowers to feed on flower nectar alone, especially when other food sources attract other species and flies are scarce.
  • Overripe or rotting fruit and fermenting fruits: The strong scent of overripe or rotting fruits acts as a powerful attractant for some fly species and house flies. They are quick to gather around such fruits to feed.

Other Food Sources

While organic waste and sugary substances are their primary food sources, adult house – flies can also be found feeding on:

  • Bacteria and fungi: House flies are known carriers of harmful bacteria and fungi, which they can ingest from contaminated surfaces chew food. They play a role in spreading these microorganisms to new locations.
  • Food spills and residues to prevent house flies taste here: Any leftover food, spills, or food residues can attract house flies. It is essential to clean up spills promptly to avoid house flies taste providing them with a food source.
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What Does a Fly Eat: The Diet of Adult Fruit Flies


Adult fly diet primarily feed on liquids and semi-solids. They are attracted to various food sources, including:

  • Rotting fruits and vegetables or rotting matter
  • Sugary substances like nectar, honey, and syrup
  • Decomposing organic matter, such as animal carcasses first insects, or feces
  • Fermented liquids like wine or beer

Flies have specialized mouthparts called proboscis, which they use to suck up their liquid food. They regurgitate their digestive juices and enzymes onto the food to liquefy it before consuming.

The Feeding Habits of Fly Larvae

Fly larvae, commonly known as maggots, have different dietary preferences from adult flies. They primarily feed on decaying organic matter, such pet waste such as rotting plants or animal waste. They play a crucial role in decomposition by breaking down organic material and speeding up the natural recycling process.

Fly Feeding Preferences

While flies have general feeding preferences, there are specific factors that attract them to particular food sources. These factors include:

  • Odor: Flies are attracted to strong odors, especially those associated with decaying matter. The pungent smell acts as a signal for them to find potential food sources.
  • Moisture: Flies are more likely to be attracted to moist or wet food, as it is easier for them to consume.
  • Visual cues: Bright or contrasting colors can also attract flies. For example, ripe fruits with vivid colors may be more appealing to flies feed on them.

What Does a Fly Eat: Are All Flies Attracted to the Same Food?

No, different species of flies may have varying dietary preferences. While many flies are attracted to decaying matter, some species of insects, such as fruit flies, are specifically drawn to ripe or fermenting fruits.

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Can Flies Be Used as Traps?


Flies can be used as bait in various types of traps to control their population. Additionally, The idea behind house fly, is to attract flies to the trap and prevent them from leaving, ultimately leading to their capture or demise.

What Does a Fly Eat: Homemade Fly Traps

Homemade fly traps are cost-effective and easy to make. Furthermore, They usually involve creating a bait using common household items. Additionally, Some popular homemade fly traps include:

  • Vinegar and dish soap trap: Fill a container with apple cider vinegar and add a few drops of dish soap. Additionally, The vinegar attracts flies, and the dish soap reduces the surface tension of horse flies, causing them to drown.
  • Fruit trap: Place overripe fruit or fruit peels in a container and cover it with plastic wrap, securing it with a rubber band. Additionally, Poke small holes in the plastic wrap to allow fruit flies in to enter but make it difficult for them to escape.

What Does a Fly Eat: Natural Fly Traps

Certain plants and natural substances can act as natural fly repellents or traps. These include:

  • Venus flytrap: This carnivorous plant has specialized leaves that snap shut when triggered by a fly, trapping and digesting it.
  • Essential oils: Some essential oils, such as eucalyptus, peppermint, or lavender, have repellent properties and can deter flies.

What Does a Fly Eat: Commercial Fly Traps

For more extensive fly control, commercial fly traps are available in the market. Furthermore, These traps use various mechanisms to lure and capture flies, such as sticky surfaces or electric grids. Additionally, they often come with attractants or pheromones to enhance their effectiveness.

How Do Homemade Fly Traps Work?


Homemade fly traps work by using bait to attract flies. Furthermore, the traps capitalize on the flies’ feeding habits or visual cues to lure them into a container from which they cannot escape.

Are Commercial Fly Traps Effective?

Yes, commercial fly traps can be highly effective in capturing and controlling flies. Furthermore, they are designed with specific mechanisms and attractants to maximize their efficiency.

Can Flies Transmit Diseases?

Yes, flies can transmit various diseases as they come into contact with contaminated surfaces or organic matter. Additionally, they can carry pathogens that cause illnesses such as diarrhea, food poisoning, and eye infections.

What Are Some Natural Fly Repellents?


Natural fly repellents include essential oils like eucalyptus, peppermint, or lavender. Additionally, These scents are known to deter flies, reducing their presence in specific areas.

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