Other contributors have said "Lifespan of a horsefly?" is the same question as "Why is a horsefly called a horsefly?" If you believe that these are not asking the same thing and should be answered differently, click here

Why is a horsefly called a horsefly?

Answer:
Horseflies are called horseflies because the Tabanidae family( a fly family ) is commonly called horseflies!!!!!!!!!!!! :D
First answer by ID1148495138. Last edit by ID1148495138. Question popularity: 2 [recommend question].