horse flies diet

Horses
Why are there so many horse flies at my house?
7
Horses
Where do horseflies hide?
27
Horses
What is the horse fly season?
61
Horses
What will keep flies away from horses?
45
Horses
Do horse flies eat horses?
43
Horses
What will keep horse flies away?
42
Horses
How do I stop horse flies from biting my horse?
41
Horses
Where do horse flies hide?
37