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
2019
Widespread hybridization among native and invasive species of Operophtera moths (Lepidoptera: Geometridae) in Europe and North America
Andersen J, Havill N, Broadley H, Boettner G, Caccone A, Elkinton J. Widespread hybridization among native and invasive species of Operophtera moths (Lepidoptera: Geometridae) in Europe and North America. Biological Invasions 2019, 21: 3383-3394. DOI: 10.1007/s10530-019-02054-1.Peer-Reviewed Original ResearchWinter mothNorth AmericaBruce spanwormInvasive winter mothWsp gene fragmentsCytochrome oxidase I.Polymorphic microsatellite lociNortheastern United StatesNative congenerInvasive speciesWidespread hybridizationGeographic extentCrop systemsField-collected mothsPresence of WolbachiaMoth individualsMicrosatellite lociHybrid individualsPCR amplificationSpeciesAmericaGene fragmentsMothBritish ColumbiaNova Scotia