The pain was far more intense than a bee sting. I slapped it off. A rivulet of blood flowed down my leg. Like mosquitoes, horse flies subsist on a diet of blood. But rather than piercing skin with ...

Some might even bleed. Blackfly bites also might swell. (Pictured here is a horse fly bite.) Symptoms to note: More often than not, fly bites are going to hurt. After the pain subsides ...

Horseflies are large flies (they can be around an inch long) that bite mammals, such as dogs, humans, and — yes — horses. When they bite, they cut the skin with their sharp mouths and cause a ...