Developing genetic tools to control the Oriental Fruit Fly Bactrocera dorsalis [Diptera: Tephritidae]: potential strategies and molecular tools

TRAORE, Nouhoun; Galizi, Roberto; Kientega, Mahamadi; Maïga, Hamidou; Nébié, Karim; Dabiré, Rémy A.; Belem, Adrien M. G.; Diabaté, Abdoulaye

doi:10.22541/au.167935457.73799637/v1

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“…The flies reach sexual maturity in around 30 days after undergoing successive embryonic, larval, pupal, and imaginal development, giving rise to overlapping generations of flies. The species is also known for its great dispersal capacity, often facilitated by commercial trade in fruit [19,47]. Populations of B. dorsalis therefore deviate from the Hardy-Weinberg model because of the overlapping generations and migrations that characterize them.…”

Section: Discussionmentioning

confidence: 99%

Genetic Diversity and Population Structure of the Invasive Oriental Fruit Fly, Bactrocera dorsalis (Diptera: Tephritidae) in Burkina Faso

Traoré,

Kientega,

Maïga

et al. 2024

Insects

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Bactrocera dorsalis Hendel is a highly invasive horticultural pest that is of major economic importance worldwide. In Burkina Faso, it is one of the main insect pests that affects the production and exportation of mangos. Understanding the biology and the genetic dynamics of this insect pest provides crucial information for the development of effective control measures. The aim of this study was to understand the distribution, diversity, and genetic structure of B. dorsalis in Burkina Faso. Male flies were collected transversally in Burkina Faso and analyzed by PCR using 10 microsatellite markers. The results showed an abundance of B. dorsalis varying from 87 to 2986 flies per trap per day at the different sampling sites. The genetic diversity was high at all sites, with an average Shannon’s Information Index (I) of 0.72 per site. The gene flow was high between study populations and ranged from 10.62 to 27.53 migrants. Bayesian admixture analysis showed no evidence of structure, while Discriminant Analysis of Principal Components identified three weakly separated clusters in the population of B. dorsalis in Burkina Faso. The results of this study could be used to optimize the effectiveness of current control interventions and to guide the implementation of new, innovative, and sustainable strategies.

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Section: Discussionmentioning

confidence: 99%