A review on the Tephritid fruit flies of economic interest in Cuba: species, plant hosts, surveillance methods and management program implementation
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AuthorBorges Soto, Mirtha; Rodríguez, Dely; Rodriguez Rubial, Maylin; Sabater-Munoz, Beatriz; Hernández Espinosa, Doris; Rodríguez Tapial, José L.
Cita bibliográficaBorges Soto, M., Rodríguez, D., Rodriguez Rubial, M., Sabater-Muñoz, B., Hernandez Espinosa, D., & Rodriguez Tapial, J. L. (2016). A review on the Tephritid fruit flies of economic interest in Cuba: species, plant hosts, surveillance methods and management program implementation. In: Proceedings of the 9th International Symposium on Fruit Flies of Economic Importance, (pp. 295-309). International Fruit Fly Steering Committee.
The presence of several Tephritid species in Cuba required of special surveillance methods to determine the free-pest zone or at least to determine the exact species inhabiting the island and the economical repercussion that could affect to the export market. Our previous studies of surveillance, monitoring and training methods set up the protocols for an area-wide fruit fly management irrespectively of the fruit species. In this work, we upgraded the surveillance of Anastrepha species in export commodities and in other crops. Methods: Several commodities (fruit varieties) were sampled including not host fruits. A deep surveillance of citrus was also included. Collected infested fruits were retrieved to the laboratory to allow larva development to identify emerged adults to species level. Monitoring traps were also used in citrus plots to confirm the Anastrepha suspensa-free status of this commodity. Results: Monitoring traps allowed to confirm the presence of different Anastrepha species in Cuba namely A. suspensa, A. soroana, A. obliqua, A. ocresia, A. insulae and A. interrupta, and also Toxotrypana curvicauda. An additional species, belonging to Anastrepha genus, A. sp., was also recorded, not matching any described species. Fruit fly major population peak was found to fit with ripening season of stone fruits and other non-citrus fruits. Following the surveillance of tephritid larva' infested fruits, five new host species were confirmed for Anastrepha suspensa: sapodilla, rose apple, cocoplum, custard apple, and gac fruit. And two new ones for Anastrepha obliqua: the cocoplum and yellow mombin. Citrus surveillance was clear, no tephritid fruit fly was found in any Citrus species in all along Cuba Island. Conclusions: The absence of fruit flies in citrus commodities reveals the success of the implemented management program including surveillance, monitoring and personnel training, putting into value the area-wide Cuban fruit fly management program for Anastrepha species.