How Big Can Horseflies Get

Horse flies range in size from 3/4 to 1-1/4 inches long and usually have clear or solidly colored wings and brightly colored eyes.

What is the largest horse fly?

Tabanus bovinusGenus:TabanusSpecies:T. bovinusBinomial nameTabanus bovinus Linnaeus, 1758

Are horseflies big?

Identification. Horse flies can be easily identified by their large size compared to other common fly pests such as stable flies or horn flies. Most species are approximately ½ of an inch to 1 ¼ inches in length. Horse flies have a robust body that is usually covered with small hairs.