Hippobosca Equina is a type of biting fly that commonly feeds on horses, deer, and cattle. These flies are also known as horseflies or deerflies, and they can cause painful bites that result in swelling and irritation. Other synonyms for Hippobosca Equina include tabanid fly, gadfly, and cleg fly. These biting flies are found in many regions of the world, and they can be a nuisance for both animals and humans alike. Protecting yourself and your animals from these pests is important for preventing discomfort and disease transmission.