Hybridization and the spread of the apple maggot fly, Rhagoletis pomonella (Diptera: Tephritidae), in the northwestern United States

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dc.citation.firstpage834en_US
dc.citation.issueNumber8en_US
dc.citation.journalTitleEvolutionary Applicationsen_US
dc.citation.lastpage846en_US
dc.citation.volumeNumber8en_US
dc.contributor.authorArcella, Tracyen_US
dc.contributor.authorHood, Glen Rayen_US
dc.contributor.authorPowell, Thomas H.Q.en_US
dc.contributor.authorSim, Sheina B.en_US
dc.contributor.authorYee, Wee L.en_US
dc.contributor.authorSchwarz, Dietmaren_US
dc.contributor.authorEgan, Scott P.en_US
dc.contributor.authorGoughnour, Robert B.en_US
dc.contributor.authorSmith, James J.en_US
dc.contributor.authorFeder, Jeffrey L.en_US
dc.date.accessioned2015-11-09T18:52:17Zen_US
dc.date.available2015-11-09T18:52:17Zen_US
dc.date.issued2015en_US
dc.description.abstractHybridization may be an important process interjecting variation into insect populations enabling host plant shifts and the origin of new economic pests. Here, we examine whether hybridization between the native snowberry-infesting fruit fly Rhagoletis zephyria (Snow) and the introduced quarantine pest R. pomonella (Walsh) is occurring and may aid the spread of the latter into more arid commercial apple-growing regions of central Washington state, USA. Results for 19 microsatellites implied hybridization occurring at a rate of 1.44% per generation between the species. However, there was no evidence for increased hybridization in central Washington. Allele frequencies for seven microsatellites in R. pomonella were more ‘R. zephyria-like’ in central Washington, suggesting that genes conferring resistance to desiccation may be adaptively introgressing from R. zephyria. However, in only one case was the putatively introgressing allele from R. zephyria not found in R. pomonella in the eastern USA. Thus, many of the alleles changing in frequency may have been prestanding in the introduced R. pomonella population. The dynamics of hybridization are therefore complex and nuanced for R. pomonella, with various causes and factors, including introgression for a portion, but not all of the genome, potentially contributing to the pest insect's spread.en_US
dc.identifier.citationArcella, Tracy, Hood, Glen Ray, Powell, Thomas H.Q., et al.. "Hybridization and the spread of the apple maggot fly, Rhagoletis pomonella (Diptera: Tephritidae), in the northwestern United States." <i>Evolutionary Applications,</i> 8, no. 8 (2015) Wiley: 834-846. http://dx.doi.org/10.1111/eva.12298.en_US
dc.identifier.doihttp://dx.doi.org/10.1111/eva.12298en_US
dc.identifier.urihttps://hdl.handle.net/1911/82033en_US
dc.language.isoengen_US
dc.publisherWileyen_US
dc.rightsThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_US
dc.subject.keywordintrogressionen_US
dc.subject.keywordinsect pesten_US
dc.subject.keywordmicrosatellitesen_US
dc.subject.keywordRhagoletis zephyriaen_US
dc.subject.keywordsnowberriesen_US
dc.subject.keywordWashington stateen_US
dc.titleHybridization and the spread of the apple maggot fly, Rhagoletis pomonella (Diptera: Tephritidae), in the northwestern United Statesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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