Housefly, (Musca domestica), a common insect of the family Muscidae (order Diptera). About 90 percent of all flies occurring in human habitations are houseflies. ... Because it has sponging or lapping mouthparts, the housefly cannot bite; a near relative, the stable fly, however, does bite.

Why are house flies biting me?

They don't always bite, but when they do, flies bite you for blood meals that provide them with nutrition or other benefits. Fly bites are more common than you might think.

Can house flies hurt you?

It is true that flies rarely bite or sting, but their danger lies in the fact that they often land on dead animals, rotten food, manure, and trash. ... Because they frequent those places, they pick up and spread diseases that are harmful to humans.