Oestridae, commonly known as bot flies, are a family of parasitic flies that primarily affect mammals, including livestock and humans. These flies lay their eggs on the skin or in the environment, and their larvae develop inside the host, often causing discomfort and health issues. The life cycle of Oestridae involves several stages, including egg, larva, pupa, and adult. The larvae can cause significant damage to tissues, particularly in animals like horses and cattle. Control measures often focus on preventing infestations and managing the health of affected animals.