The term "african fly pest" can refer to various types of insects that are native to Africa and are considered nuisances or threats to agriculture. Some common synonyms for this term include tsetse fly, fruit fly, armyworm, and locust. Tsetse flies are known for their ability to transmit diseases such as trypanosomiasis, while fruit flies can cause damage to crops and fruit trees. Armyworms are a type of caterpillar that feed on crops, while locusts are notorious for their ability to swarm and devour fields of crops in a short amount of time. These pests can all have significant impacts on food security and livelihoods in affected regions.