The Family Tabanidae contains various species of flies, also known as horseflies or deer flies. Although they are often considered pests due to their painful bites, they play an important role in pollination and serving as a food source for other animals. Synonyms for the Family Tabanidae may include the subfamilies of Tabaninae and Chrysopsinae. The former includes the larger species of horseflies, while the latter are smaller and tend to bite more aggressively. Other common names for horseflies include clegs and gadflies. Despite their negative reputation, these insects are fascinating creatures that contribute to the diversity of our natural world.