2016
Ancient and modern colonization of North America by hemlock woolly adelgid, Adelges tsugae (Hemiptera: Adelgidae), an invasive insect from East Asia
Havill N, Shiyake S, Lamb Galloway A, Foottit R, Yu G, Paradis A, Elkinton J, Montgomery M, Sano M, Caccone A. Ancient and modern colonization of North America by hemlock woolly adelgid, Adelges tsugae (Hemiptera: Adelgidae), an invasive insect from East Asia. Molecular Ecology 2016, 25: 2065-2080. PMID: 26880353, DOI: 10.1111/mec.13589.Peer-Reviewed Original ResearchConceptsWestern North AmericaEastern North AmericaNorth AmericaAdelges tsugaeHost specializationExtreme genetic bottleneckWorldwide genetic structurePleistocene glacial periodsSouthern JapanMitochondrial COI sequencesGlacial periodSpecies traitsAdelgid invasionApproximate Bayesian computationInvasive insectsHemlock speciesContinental scaleInvasion pathwaysTsuga speciesGenetic bottleneckGenetic structureHost treesEndemic lineagesInvasive pestHemlock trees
2006
Mitochondrial DNA from Hemlock Woolly Adelgid (Hemiptera: Adelgidae) Suggests Cryptic Speciation and Pinpoints the Source of the Introduction to Eastern North America
Havill N, Montgomery M, Yu G, Shiyake S, Caccone A. Mitochondrial DNA from Hemlock Woolly Adelgid (Hemiptera: Adelgidae) Suggests Cryptic Speciation and Pinpoints the Source of the Introduction to Eastern North America. Annals Of The Entomological Society Of America 2006, 99: 195-203. DOI: 10.1603/0013-8746(2006)099[0195:mdfhwa]2.0.co;2.Peer-Reviewed Original ResearchEastern North AmericaWestern North AmericaMitochondrial DNANatural rangeA. tsugaeNorth AmericaCryptic speciationMitochondrial lineagesHemlock Woolly AdelgidTsuga speciesPhylogenetic analysisSingle haplotypeT. sieboldiiIntroduced pestMultiple haplotypesAdelges tsugae AnnandAdelgidWoolly AdelgidGeographic originMolecular methodsSouthern JapanLineagesHigher elevationsSevere mortalityT. diversifolia