Dominance of Bactrocera dorsalis Hendel on Ceratitis cosyra Walker (Diptera: Tephritidae) in orchards in Bujumbura, Burundi

Liévin Ndayizeye 1 , Manirakiza Odette 2 , Déogratias Nduwarugira 3 , Claver Sibomana 4 , Ntakirutimana Dieudonné 5

1   Office Burundais pour la Protection de l’Environnement, B.P. 2757 Bujumbura, BURUNDI
2   Office Burundais pour la Protection de l’Environnement, B.P. 2757 Bujumbura, BURUNDI
3   Centre de Recherche en Sciences Naturelles et de l’Environnement, Faculté des Sciences, Université du Burundi, Bujumbura, BURUNDI
4   Centre de Recherche en Sciences Naturelles et de l’Environnement, Faculté des Sciences, Université du Burundi, Bujumbura, BURUNDI
5   Centre de Recherche en Sciences Naturelles et de l’Environnement, Faculté des Sciences, Université du Burundi, Bujumbura, BURUNDI

✉ Coressponding author: See PDF.




The aim of this study was to investigate the population fluctuations of Bactrocera dorsalis and Ceratitis cosyra in mango, citrus, and mixed orchards in Bujumbura city. Data was collected from six sites from December 2018 and December 2019 using trapping methodology. Two attractants (methyeugenol and terpinyl acetate), insecticide (dichlorvos DDVP 70%) and
tephri traps were employed to attract and kill flies. The results indicate that B. dorsalis was more abundant in all sites (97.91%) than C. cosyra (2.09%). Fluctuation peaks for B. dorsalis were observed in April, October and December. A significant difference was noted in the monthly catches of both species (p<0.05). For C. cosyra, significant differences were observed in catches across all sites (p<0.05), whereas for B. dorsalis no such differences were found (p>0.05). The population fluctuations of B. dorsalis were observed during the maturation of mango and citrus fruits. B. dorsalis dominated in all sites.


Attractants, Fruit flies, Mango pest, Species abundance, Urban area


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How to Cite

Ndayizeye, L., Odette, M., Nduwarugira, D., Sibomana, C., & Dieudonné, N. (2024). Dominance of Bactrocera dorsalis Hendel on Ceratitis cosyra Walker (Diptera: Tephritidae) in orchards in Bujumbura, Burundi. Archives of Agriculture and Environmental Science, 9(2), 345-349.



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