Hikers beware: Upper Peninsula bugs are out to bite. Biting flies have been swarming northern Michigan in numbers that even locals say they haven't seen before. However, what some might not realize is ...

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 ...