2022
Real‐time geographic settling of a hybrid zone between the invasive winter moth (Operophtera brumata L.) and the native Bruce spanworm (O. bruceata Hulst)
Andersen J, Havill N, Boettner G, Chandler J, Caccone A, Elkinton J. Real‐time geographic settling of a hybrid zone between the invasive winter moth (Operophtera brumata L.) and the native Bruce spanworm (O. bruceata Hulst). Molecular Ecology 2022, 31: 6617-6633. PMID: 35034394, DOI: 10.1111/mec.16349.Peer-Reviewed Original ResearchConceptsInvasive winter mothClinal hybrid zoneHybrid zoneWinter mothBruce spanwormNon-native speciesNon-native organismsLow dispersal ratesProbability of establishmentMosaic hybrid zoneCases of hybridizationNative congenerNovel habitatsLong Island SoundEnvironmental variablesO. bruceataDispersal ratesCoastal ConnecticutMicrosatellite dataOperophtera brumataHybrid fitnessWinter cold temperaturesPopulation densityWinter temperaturesEvolutionary trajectories
2021
Four times out of Europe: Serial invasions of the winter moth, Operophtera brumata, to North America
Andersen J, Havill N, Caccone A, Elkinton J. Four times out of Europe: Serial invasions of the winter moth, Operophtera brumata, to North America. Molecular Ecology 2021, 30: 3439-3452. PMID: 34033202, DOI: 10.1111/mec.15983.Peer-Reviewed Original ResearchConceptsWinter mothNortheastern United StatesNorth AmericaInvasive winter mothNon-native speciesPopulation genetic dataAmount of diversityInvasion successSerial invasionInvaded regionsWidespread defoliationGenetic bottleneckBayesian assignmentOperophtera brumataMicrosatellite lociApproximate Bayesian computation methodsIndependent introductionsNorthern FennoscandiaCentral EuropeGenetic dataHybridization eventsBritish ColumbiaGeographic originNova ScotiaAmerica
2020
Colonization history of Galapagos giant tortoises: Insights from mitogenomes support the progression rule
Poulakakis N, Miller J, Jensen E, Beheregaray L, Russello M, Glaberman S, Boore J, Caccone A. Colonization history of Galapagos giant tortoises: Insights from mitogenomes support the progression rule. Journal Of Zoological Systematics & Evolutionary Research 2020, 58: 1262-1275. DOI: 10.1111/jzs.12387.Peer-Reviewed Original ResearchGalapagos giant tortoisesGiant tortoisesPhylogeographic scenarioMitochondrial genomeProgression rulePhylogenetic relationshipsGalapagos IslandsExtinct speciesOlder islandsHuman-mediated dispersal eventsComplete mitochondrial genomeSouth American ancestorAncestral area reconstructionNon-native speciesMaximum likelihood analysisContribution of colonizationColonization historyDispersal eventsMultiple colonizationsAmerican ancestorsPhylogenetic treeAncestral formArea reconstructionSitu speciationBiogeographic approach