The saliva liquefies the food for them to drink. But if fly vomit isn't bad enough consider this: Flies enjoy eating more than what's on your picnic table. They feast on nasty things like feces ...

Throw away garbage and take out recycling frequently. Clean out the bottom of bins when liquid accumulates, wipe down ...

The sterile fruit flies will be released weekly to combat Mediterranean fruit fly infestations. The flies threaten over 250 types of produce.

The common house fly (Musca domestica) has no venom, no stinger, and no fangs. It finds its food in a peaceful way—by rolling ...