Winning the Battle Against Mango Fruit Flies: Proven Strategies for Uganda and East African Farmers. CLOVER-GREEN Nurseries | Fruit Tree & Plant Nursery K . samuels 0756617920. Bactrocera dorsalis, previously known as Dacus dorsalis and commonly referred to as the oriental fruit fly, is a species of tephritid fruit fly that is endemic to Uganda and East African as well. Originated from southern Asia. It is one of the major pest species in the genus Bactrocera with a broad host range of cultivated and wild fruits. Male B. dorsalis respond strongly to methyl eugenol, In the orchards of East Africa, Uganda) a silent adversary lurks. The mango fruit fly, Bactrocera dorsalis threatens not just the beloved mango but over 40 different fruit types. But fear not, for knowledge is power, and armed with the right strategies, farmers can turn the tide against this pervasive pest. In...