Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/20155
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dc.contributor.authorLe Mottee, Kristianen
dc.contributor.authorGregg, Peteren
dc.contributor.authordel Socorro, Aliceen
dc.date.accessioned2017-03-10T10:19:00Z-
dc.date.issued2016-
dc.identifier.citation2016 International Congress of Entomology Scheduleen
dc.identifier.urihttps://hdl.handle.net/1959.11/20155-
dc.description.abstractIntroduction: 'Helicoverpa punctigera' is one of two major pest Heliothine moths in Australia, the other being 'H. armigera'. 'H. punctigera' is regarded as the more migratory of the two and the best adapted to the variable and unpredictable environment of rangeland and desert regions of inland Australia. It breeds during winter on native host plants and migrates to cropping areas further east and south during the spring. There are three main habitats that support winter breeding, given favourable rains in the autumn and winter - floodplains, sandy deserts and Acacia shrublands. However, following the Millenium drought (2000 - 2009) migration has been much reduced. Methods: To determine reasons for this we analysed a database of 992 georeferenced vegetation records from 1989-2000 (pre-drought), and 846 records from 2009-2015 (post drought). These records contained information on host plant presence and were matched with Landsat EVI. Results/Conclusion: Across all three habitats there has been a decline in the abundance of good host plants for 'H. punctigera', especially in the Asteraceae, and an increase in unsuitable host plants, especially grasses. In some habitats there has been an increase in legume hosts, especially 'Cullen' spp., but these hosts are uncommon in the Acacia shrublands. The latter are located between the more distant floodplains and deserts, and the cropping areas, and would serve as a "green bridge" in spring if suitable hosts are present. We hypothesise that the lack of immigration in recent years is the result of lasting host vegetation changes following the Millenium drought.en
dc.languageenen
dc.publisherEntomological Society of Americaen
dc.relation.ispartof2016 International Congress of Entomology Scheduleen
dc.titleLong term changes in host plants of 'Helicoverpa punctigera' in inland Australia: Effects on migration patternsen
dc.typeConference Publicationen
dc.relation.conferenceICE 2016: XXV International Congress of Entomology - Entomology without Bordersen
dc.identifier.doi10.1603/ICE.2016.107589en
dc.subject.keywordsCrop and Pasture Protection (Pests, Diseases and Weeds)en
local.contributor.firstnameKristianen
local.contributor.firstnamePeteren
local.contributor.firstnameAliceen
local.subject.for2008070308 Crop and Pasture Protection (Pests, Diseases and Weeds)en
local.subject.seo2008820301 Cottonen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailklemotte@une.edu.auen
local.profile.emailpgregg@une.edu.auen
local.profile.emailadelsoc2@une.edu.auen
local.output.categoryE3en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-20161102-102613en
local.date.conference25th - 30th September, 2016en
local.conference.placeOrlando, United States of Americaen
local.publisher.placeAnnapolis, United States of Americaen
local.identifier.runningnumber4249en
local.title.subtitleEffects on migration patternsen
local.contributor.lastnameLe Motteeen
local.contributor.lastnameGreggen
local.contributor.lastnamedel Socorroen
dc.identifier.staffune-id:klemotteen
dc.identifier.staffune-id:pgreggen
dc.identifier.staffune-id:adelsoc2en
local.profile.orcid0000-0001-7534-3567en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:20353en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleLong term changes in host plants of 'Helicoverpa punctigera' in inland Australiaen
local.output.categorydescriptionE3 Extract of Scholarly Conference Publicationen
local.conference.detailsICE 2016: XXV International Congress of Entomology - Entomology without Borders, Orlando, United States of America, 25th - 30th September, 2016en
local.search.authorLe Mottee, Kristianen
local.search.authorGregg, Peteren
local.search.authordel Socorro, Aliceen
local.uneassociationUnknownen
local.year.published2016en
local.subject.for2020300409 Crop and pasture protection (incl. pests, diseases and weeds)en
local.subject.seo2020260602 Cottonen
local.date.start2016-09-25-
local.date.end2016-09-30-
Appears in Collections:Conference Publication
School of Environmental and Rural Science
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