A surge of biting black flies is sweeping across the San Gabriel Valley foothills — and officials warn the infestation could ...

Tiny black flies that are attracted to human breath and the salty moisture around the eyes are swarming parts of the San Gabriel Valley, experts say.

Add Yahoo as a preferred source to see more of our stories on Google. Michigan's state parks, lakes and campsites in the Upper Peninsula will be lively over the Fourth of July weekend, and many people ...

Residents can protect themselves with loose-fitting clothes and insect repellent.

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 ...