Numerous treatments can help relieve symptoms of ... For example, doctors know that black fly bites can cause lymph node swelling. Some people may have an allergic response to a fly’s bite.

Medically reviewed by Michael Menna, DO A horsefly bite, caused by a fly of the Tabanidae family, is painful but usually ...

That’s how many black flies, or biting gnats, were captured near Jordan during one night in one trap. And there were still gnats swarming to get in when the Metropolitan Mosquito ...