Establishment of the predator Laricobius nigrinus, introduced as a biological control agent for hemlock woolly adelgid in Virginia, USA

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dc.contributor.authorJubb, Carrie S.en
dc.contributor.authorMcAvoy, Thomas J.en
dc.contributor.authorStanley, Kari E.en
dc.contributor.authorHeminger, Ariel R.en
dc.contributor.authorSalom, Scott M.en
dc.coverage.countryUnited Statesen
dc.coverage.stateVirginiaen
dc.date.accessioned2021-12-16T15:43:57Zen
dc.date.available2021-12-16T15:43:57Zen
dc.date.issued2021-01-05en
dc.date.updated2021-12-16T15:43:55Zen
dc.description.abstractLaricobius nigrinus Fender (Coleoptera: Derodontidae), a predatory beetle native to western North America, has been released since 2003 for management of hemlock woolly adelgid (HWA), Adelges tsugae Annand (Hemiptera: Adelgidae), a non-native pest killing hemlocks in eastern North America. Over 420,000 L. nigrinus have been released in the eastern USA from field and lab-reared sources, 14,000 of which were deployed in the Commonwealth of Virginia, USA. In order to determine the establishment rates of L. nigrinus in Virginia, surveys were conducted in 2017 and 2018 at all release sites within this state. During the study, stand-level HWA densities were estimated, and hemlock tree health and predator–prey ratios were quantified. The identification of Laricobius spp. recoveries were made using microsatellite analysis. During the period of the study, L. nigrinus were found to have established at 82% of Virginia release sites and were the primary species recovered (80%). Both Laricobius rubidus (18%) and hybrids (2%) were also recovered. Stand-level HWA densities varied greatly over sites and years but showed a general decline in year two of the study. Establishment at such a high percentage of release sites suggests that the climate in Virginia is suitable for the predator and the insect is adaptable to the wide variety of site conditions where hemlocks typically grow.en
dc.description.versionAccepted versionen
dc.format.extentPages 367-379en
dc.format.extent13 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/s10526-020-10072-5en
dc.identifier.eissn1573-8248en
dc.identifier.issn1386-6141en
dc.identifier.issue3en
dc.identifier.orcidSalom, Scott [0000-0002-8950-3442]en
dc.identifier.orcidJubb, Carrie [0000-0002-3686-894X]en
dc.identifier.urihttp://hdl.handle.net/10919/107073en
dc.identifier.volume66en
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000605123600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectEntomologyen
dc.subjectLaricobius nigrinusen
dc.subjectDerodontidaeen
dc.subjectColeopteraen
dc.subjectAdelges tsugaeen
dc.subjectHemipteraen
dc.subjectAdelgidaeen
dc.subjectCOLEOPTERA DERODONTIDAEen
dc.subjectHEMIPTERA ADELGIDAEen
dc.subjectTSUGAEen
dc.subjectHYBRIDIZATIONen
dc.subjectSYNCHRONYen
dc.subjectHOMOPTERAen
dc.subjectSURVIVALen
dc.subjectIMPACTen
dc.subjectSPP.en
dc.subjectDNAen
dc.subject03 Chemical Sciencesen
dc.subject06 Biological Sciencesen
dc.titleEstablishment of the predator Laricobius nigrinus, introduced as a biological control agent for hemlock woolly adelgid in Virginia, USAen
dc.title.serialBiocontrolen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciencesen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/Entomologyen
pubs.organisational-group/Virginia Tech/University Research Institutesen
pubs.organisational-group/Virginia Tech/University Research Institutes/Fralin Life Sciencesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen
pubs.organisational-group/Virginia Tech/University Research Institutes/Fralin Life Sciences/Durelle Scotten

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