What Do Flies Do For The Environment?

Flies are important for the ecosystem as pollinators, waste managers, and a vital food source for other species. Although some fly species can carry disease-causing organisms, bite, and are considered pests, it is important to note that not all flies fall into these categories. Additionally, flies have many contributions to biodiversity and the environment.

Flies as Beneficial Pollinators

Flies contribute significantly to the pollination process, supporting plant reproduction and biodiversity within ecosystems. Midges, a certain fly species, pollinate cacao plants, inadvertently transferring pollen from one plant to another as they move around.

While flies are often overlooked in comparison to well-known pollinators such as bees, these insects are vital for the propagation of specific plants that depend on them. As flies feed on nectar, pollen adheres to their tiny bodies and is carried from flower to flower, fertilizing them in the process.

Decomposition and Waste Management Agents

Flies hold an essential position in decomposition and waste management processes, acting as nature’s cleanup crew. They facilitate the breakdown of organic materials, processing waste and returning valuable nutrients to the environment.

When flies come into contact with waste materials and deceased organisms, their larvae consume these organic substances, breaking them down into simpler compounds. Through this process, essential nutrients are reintegrated into the soil, nourishing plants and promoting the natural recycling of resources. By fulfilling this vital role in waste management, flies significantly contribute to maintaining a healthy and balanced environment.

Serving as Food for Other Species

Flies are a crucial food source for a wide range of animals, including birds, bats, amphibians, reptiles, and predatory insects. Frogs, being notable insectivores, rely heavily on insects such as flies and other small invertebrates for their diet.

The abundance of flies sustains diverse species, supporting the thriving of predators and maintaining the delicate balance within ecosystems. This highlights the critical role flies play in promoting the overall health and harmony of ecological communities.

Misconceptions of Flies

With over 110,000 identified fly species and many more yet to be discovered, it’s worth noting that not all flies are dangerous to humans. Additionally, there are misconceptions about flies being pests, disease carriers, and biters, but these generalizations do not apply to all fly species. It’s important to differentiate between various fly species and recognize their diverse roles in the ecosystem.


Flies hold a very big role in the environment, encompassing crucial contributions such as pollination, decomposition, and providing sustenance for other species. Their position in the food chain promotes the balance within ecosystems by supporting various predators. Although often misunderstood, flies are vital to maintaining a well-functioning and harmonious environment, making their presence truly irreplaceable for a thriving ecosystem.