There are many different groups of flies, from the common housefly to the hover fly. But when we think of flies we think of filth flies. Flies which are associated with human-generated garbage and animal manure. Many species of flies are predators or parasitoids of other insects. Their larvae eat decomposing animal bodies.
Flies carry many different diseases which can affect humans as well.
There are over 85,000 species of flies. Live in ripe fruits , garbage, and rotting vegetables. Proper cleaning of the area is important here. Keep Garbage can tightly covered and remove all rotting materials. Maggots can cause damage to root systems.