Horse Flies and Deer Flies | University of Kentucky Entomology
Loaded with them. Several different kinds and some are really big. I've got lots of water around me so I'll never be rid of them.
deer flies, yellow flies and horse flies - Chrysops, Diachlorus and Tabanus spp.
How do they affect competitions? Usually it is cool and cloudy during our summers with just a few days of heat, so she has never had to compete where horseflies might distract a horse.