One of the methods to get rid of that annoying fly is to hang a bag of water outside the porch.
A very simple and common question: What do flies do when perching on us?
This is the prediction of some scientists and businesses, when the fly larvae are bred, raised at the ground, can provide a quantity of food protein for fish and other animals.
Eating food with flies and beans can lead to the risk of many bacterial-related dangerous diseases such as typhoid or cholera.
Every time a fly came, they could leave footprints, feces and even vomit filled with their pathogens.