African Fly is a term used to describe three species of flies found in Africa: TSETSE, Zebub, and Zimbs. TSETSE flies are large, biting flies that are known to transmit sleeping sickness in humans and animals. Zebub flies are small, blood-sucking flies that are known to spread diseases such as malaria and yellow fever. Zimbs are tiny, non-biting flies that feed on the blood of animals and humans. All three species of African Fly are considered to be pests and can cause serious health problems if not controlled.