Horse-Fly FAQs:

Q: Are horse-flies found worldwide?

A: Yes, and except for the polar regions, but they are absent from some islands such as Greenland, Iceland, and Hawaii.

Q: Are horse-flies often attacked by tiny parasitic wasps?

A: Yes, and the larvae are consumed by birds as well as being paratised by tachinid flies, fungi and nematodes.

Q: Are horse-flies eaten by generalized predators such as birds?

A: Yes, and some specialist predators, such as the horse guard wasp , also preferentially attack horse-flies, catching them to provision their nests.

Q: Are horse-flies difficult?

A: Yes.