Nine Mile Run flowing under a bridge before it enters the Monongahela River. The Pennsylvania Department of Environmental Protection (DEP) has begun its annual Black Fly Suppression Program. Black ...

Be on the lookout for an especially nasty and tenacious biting insect pest – the horse fly – as it hunts for its next blood meal. Despite the name, horse flies are not host-specific to horses. They ...

Above: A harmless hover fly feeding on sweaty skin. These flies appear in mid- to late-summer. The 1860s song of this title has retained some popularity through the years. Who has not been annoyed by ...

Black flies are small, gnat-like insects that swarm and bite, causing itchy welts. Peak black fly season in Michigan is mid-May to mid-June, primarily in the Upper Peninsula and northern Lower ...

Black flies are small, biting insects prevalent in Michigan's Upper Peninsula, especially near rivers and streams. While peak season is over, they remain active throughout the summer, particularly on ...

Millions of tourists will visit Michigan's Upper Peninsula this summer — and millions upon millions of small, biting flies are waiting to greet them. "Black flies are very small, gnat-like insects ...