Are houseflies a filthy nuisance or unsung heroes of nature?

Housefly. [Courtesy]

To most people, houseflies are filthy, disease-carrying nuisances best wiped off the face of the earth. But are they truly nothing more than pests? Entomologists and environmentalists beg to differ.

Scientifically known as Musca domestica, houseflies are scavengers that play a crucial role in the ecosystem. They consume decaying matter such as carcasses and faeces, helping break down and recycle organic material and nutrients back into the environment.