The adult horse fly will feed mostly on nectar and occasionally on pollen. The female of the species requires a blood meal in order to reproduce. Males are incapable of feeding this way as the lack the necessary mouth parts, called mandibles. The female will get this supply of blood from mammals, although some species have been known to feed on birds, reptiles or even amphibians. An immature or larval horse fly are femoral predators of other invertebrates in moist environments.
To answer another question, horse flies certainly will bite horses,horseflies will bite humans, especially if there is moisture on the skin. ( swimming or sweating) It is very painful, so be very careful!
sometimes they feed on pollen.
Frogs
Sparrows and Swallows eat horse flies
yes they do No they do not eat their eyes! They lap up the fluid around the eyes.
The larvae eat Aphids The adult Hoverflies eat pollen and nectar from various plants
There are horse flies in Virginia, same as there are horse flies almost everywhere else in the world. There are specifically more horse flies in the east coast, especially in Florida. As for Virginia there's nothing special about the horse fly population there. Just the same old horse flies like everywhere.
Horse flies don't like water because if they went in water it would kill them and horse flies prefer blood.
What does the Arabian horse eat
Pteronarcophobia is the fear of flies, which includes horseflies.
Yes, there are all sorts of flies everywhere in the world. Horse flies are in Florida. :)
Frogs eat flies.
Lions eat Zebras which are similar to a horse. They would eat a horse.
Horse flies exist because they evolved from a common insect ancestor with other flies. They fill a certain niche in the ecosystem.