Leave it overnight to make sure more flies don't come out. And remember, if you have fruit flies, that doesn't mean your house is unsanitary. It probably just smells really good.

Scientists have found 50 million reasons to study the brain of a fruit fly. That's how many connections they discovered in the first complete map— known as a connectome—of an adult insect's brain.

Fruit flies can naturally waft into your home from outdoors, but often they are brought inside from produce you buy at the grocery story or market, Vail said. As fruits and vegetables overripen ...

Fruit flies, however, live longer than houseflies. Their lifespan is about 40 to 50 days, according to Orkin. During its lifespan, a female fruit fly can lay up to 500 eggs.

The Mediterranean fruit fly lays eggs that hatch into maggots inside fruit. Officials plan to halt population growth by dropping millions of sterile male flies over the affected region.