Definition
Family Oestridae includes various species of botflies and warble flies, all characterized by their parasitic larvae that develop inside mammals. Adult flies are often large, hairy, and bee-like, focusing primarily on reproduction rather than feeding. They lay their eggs on or near the host animal, and the larvae enter the host's body, either through the skin or natural openings. Once inside, the larvae feed on the host's tissues, causing swelling and discomfort. Their presence is akin to a long-term, uninvited guest.