Medically reviewed by Jordana Haber Hazan, MD A horsefly bite, caused by a fly of the Tabanidae family, is painful but usually harmless, causing a raised, red area of skin known as a weal (much like a ...

The horsefly bite is much less sophisticated ... Farms are frequently a hotspot for these flies, as they are attracted by cattle and horses. Male horsefly, with eyes touching at the top of its head.

Nemesis to many, the dreaded horsefly elicits painful bites and can cause serious distress to horses. They are persistent, aggressive and hard to control. Have you ever wondered why your horse ...