Assessment of Fruit Fly Trapping System in Mango Orchards in Northern Côte d’Ivoire

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Assessment of Fruit Fly Trapping System in Mango Orchards in Northern Côte d’Ivoire
Magloire Yves Minhibo1, Ossey Robert Ndepo2, N’Klo Hala3, Hervé Koua4, Yalamoussa Tuo5, Aby N’Goran1,
Adama Coulibaly1, Sékou Doumbia1, Jean-Baptiste Akadié Djaha1, Charles Konan Kouakou1, Achille Nda
Adopo1, Hugues Anicet Nda1 and Hortense Djidji1
1. National Center for Agronomic Research, Station of Korhogo-Lataha, Korhogo BP 856, Côte d’Ivoire
2. Jean Lorougnon Guédé University (UJLG), Daloa BP 150, Côte d’Ivoire
3. National Center for Agronomic Research, Station of La Mé, Abidjan 13 BP 989, Côte d’Ivoire
4. University Felix Houphouet Boigny (UFHB), Abidjan 22 BP 582, Côte d’Ivoire
5. University Peleforo Gon Coulibaly (UPGC), Korhogo BP 1328, Côte d’Ivoire

 

Abstract

Mango is the third largest export fruit in Côte d’Ivoire. However, its yield is limited by the damage caused by fruit flies (Diptera: Tephritidae). This study aimed at assessing the trapping system for fruit fly detection and monitoring in mango orchards in Northern Côte d’Ivoire. Four sites were selected in Northern Côte d’Ivoire in mango production area and in timber yard areas. Five trapping systems were tested: two food attractants (torula yeast, CeraTrap) and three sex attractants (methyl eugenol, trimedlure, cue-lure). Plastic bottles were used for food attractants and commercial traps for sex attractants. Five traps per treatment with three repetitions per site were set up. Ten species of flies have been identified: Bactrocera dorsalis, B. cucurbitae, Ceratitis anonae, C. bremii, C. capitata, C. cosyra, C. punctata, Dacus ciliatus, D. punctatifrons and Dacus spp.. Among these species, B. dorsalis was dominant. It was captured by 94.04% and 90.94%, respectively, in mango orchards and forest areas included wild fruits. The average number of individuals captured varied from one species to another, depending on the attractants. This average was estimated to 379.91, 27.58, 25.55, 15.1 and 11.93, respectively, for méthyl eugénol, torula yeast, CeraTrap, cue-lure, trimedlure. The attractants have shown their specificity in capturing fly species. Methyl eugenol had the highest capture and was the most effective.

Key words: Fruit flies, attractant, traps, monitoring, mangoes.

Assessment of Fruit Fly Trapping System in Mango