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Native hymenopteran parasitoids associated with fruit-infesting flies in three plant formations and prospects for biological control in Western Burkina Faso, West Africa

Zida Issaka, Nacro Souleymane, Dabire Rémy Anogmain, Moquet Laura, Haran Julien, Delatte Hélène. 2022. Native hymenopteran parasitoids associated with fruit-infesting flies in three plant formations and prospects for biological control in Western Burkina Faso, West Africa. Agricultural and Forest Entomology, 24 (1) : 114-123.

Article de revue ; Article de recherche ; Article de revue à facteur d'impact
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Résumé : In Western Burkina Faso, fruit flies (Diptera: Tephritidae) cause economic impacts. Damage on a mango can reach 100% in late varieties, and on shea fruits, the average attack rate is 66.5%. Parasitoids offer natural biocontrol services, but the potential for this in Burkina Faso remains unknown. We performed a survey (2017–2019) in three plant formations (natural fallows n = 6; agroforestry parks n = 6 and mango orchards n = 6) to determine the levels of parasitism of tephritid fruit fly pests. For this purpose, fruits from cultivated and wild fruit fly host plant species were sampled in these plant formations and incubated for insects' emergence. In total, 1822 adults belonging to 7 parasitoid species were found. Fopius caudatus (Szépligeti) and Psyttalia concolor (Szépligeti) with 51.47% and 30.60% of the total of parasitoid adults emerged, respectively, were the most predominant. Parasitism rate varied according to host fruit species. Pupae recorded from Sarcocephalus latifolius and Vitellaria paradoxa were most parasitized (27.22% ± 3.96%) and (17.08% ± 2.37%), respectively, while those obtained from mangoes were the less parasitized (3.73% ± 0.91%). Mass rearing of F. caudatus and P. concolor, as well as habitat management, will contribute to the promotion of both, augmentation and conservation biological control.

Mots-clés Agrovoc : Tephritidae, lutte biologique contre les ravageurs, parasitoïde, plante hôte, Enquête organismes nuisibles, végétation, couvert

Mots-clés géographiques Agrovoc : Burkina Faso

Mots-clés libres : Burkina Faso, Fruit flies, Host plants, Parasitoids, Plant formations

Classification Agris : H10 - Ravageurs des plantes

Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes

Auteurs et affiliations

  • Zida Issaka, INERA (BFA)
  • Nacro Souleymane, INERA (BFA) - auteur correspondant
  • Dabire Rémy Anogmain, INERA (BFA)
  • Moquet Laura, CIRAD-BIOS-UMR PVBMT (REU) ORCID: 0000-0001-7873-2218
  • Haran Julien, CIRAD-BIOS-UMR CBGP (FRA)
  • Delatte Hélène, CIRAD-BIOS-UMR PVBMT (REU)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/599835/)

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