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Population genetics of the oriental fruit fly, Bactrocera dorsalis (Diptera : Tephritidae), in Yunnan (China) based on mitochondrial DNA sequences

hal.structure.identifierYunnan University
dc.contributor.authorSHI, Wei
hal.structure.identifierBiodiversité, Gènes et Ecosystèmes [BioGeCo]
hal.structure.identifierYunnan University
dc.contributor.authorKERDELHUE, Carole
hal.structure.identifierYunnan University
dc.contributor.authorYE, Hui
dc.date.issued2005
dc.identifier.issn0046-225X
dc.description.abstractEnThe oriental fruit fly, Bactrocera dorsalis Hendel, is one of the most destructive pest insects of tropical and subtropical fruits and vegetables. It is thought to be an introduced species in Yunnan Province, China, where it causes severe damage. Depending on the latitude, the fly occurs year-round or only during the warm season. To assess the genetic diversity of the fly and to understand the relative isolation of its populations in this mountainous region, we conducted an analysis of population genetic structure using mitochondrial cytochrome oxidase (COI) gene sequences. Twenty-eight haplotypes were detected among 37 individuals with up to 13 mutations between haplotypes. Within-population diversity was high, and genetic distances between haplotypes reached 2.2%. The haplotype network showed that many haplotypes were missing in the sampled populations. Intraspecific variability in Bactrocera dorsalis was thus high in Yunnan. The data suggested either a longer residence of the fly in Yunnan than recognized previously or a recurrent colonization process from different origins. One population, namely Ruili, was significantly isolated from the others, probably because of geographic barriers to gene flow. This population seemed to be in a contact zone with flies originating from surrounding regions. In contrast, some populations separated by > 300 km were not significantly structured. We suggest that the insects engage in long range dispersal, most probably taking advantage of prevailing air currents. The data also suggested that the region of Kunming, where the fly only occurs seasonally, is recolonized each year by migrating flies from several southern regions
dc.language.isoen
dc.publisherEntomological Society of America
dc.subjectBACTROCERA DORSALIS
dc.subjectMITOCHONDRIAL DNA SEQUENCES
dc.subjectPOPULATION GENETICS
dc.subjectORIENTAL FRUIT FLY
dc.subjectGENETIQUE DES POPULATIONS
dc.subjectINSECTE
dc.subject.enMITOCHONDRIAL CYTOCHROME OXIDASE (COI) GENE
dc.title.enPopulation genetics of the oriental fruit fly, Bactrocera dorsalis (Diptera : Tephritidae), in Yunnan (China) based on mitochondrial DNA sequences
dc.typeArticle de revue
dc.subject.halSciences du Vivant [q-bio]/Ecologie, Environnement
bordeaux.journalEnvironmental Entomology
bordeaux.page977-983
bordeaux.volume34
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-02680552
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02680552v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Environmental%20Entomology&rft.date=2005&rft.volume=34&rft.issue=4&rft.spage=977-983&rft.epage=977-983&rft.eissn=0046-225X&rft.issn=0046-225X&rft.au=SHI,%20Wei&KERDELHUE,%20Carole&YE,%20Hui&rft.genre=article


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