None, the fly is a parasite on the horse.
The horsefly.
To have a symbiotic relation it has to be with another organism. For example, it somehow has one with a monarch butterfly, which I am trying to find out what it is.
What are the symbiotic relationships of the mandrill
Yes.The reason why is because all insects are invertebrates and a horse fly is an insect.
There is no symbiotic relationship between the vampire bat and the horse. The horse does not benefit in any way from the bat's using it for sustenance.
See Web Links to the left for horsefly images
Horse flies are active in hot weather and prefer a wet environment, which makes it easier for them to breed.
Commensalism
The symbiotic relation is commensalism. Their relation is through the symbiotic relationship. The symbiotic relation is commensalism. Their relation is through the symbiotic relationship. The symbiotic relation is commensalism. Their relation is through the symbiotic relationship. The symbiotic relation is commensalism. Their relation is through the symbiotic relationship.
It depends on the species of horsefly. Some species are quite small under 1/2". The largest horsefly in North America is the Tabanus atratus or Giant Horsefly. They are often over 1.5" and it isn't uncommon to find them over 2". http://images.whatsthatbug.com/images/black_horsefly_ruler.jpg Has a picture of a Giant Horsefly that is slightly over 2".
The plural form of horsefly is horseflies.
A horsefly is called a horsefly because it is known to primarily feed on the blood of horses. It is attracted to large mammals such as horses and cattle due to the warmth and movement of their bodies.