Slightly larger than the common house fly, cluster flies are dull gray in color with black markings. They have golden-yellow hairs on the thorax and find their way indoors during the fall as they seek ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Winter brings cozy evenings, crackling fires, and the promise of snow-covered landscapes. But it can also ...

If you've suddenly got a whole gang of flies in your home in the winter, they may not be house flies at all. They might be cluster flies instead. These pests look just like regular house flies to most ...