Establishment and Distribution of Laricobius spp. (Coleoptera: Derodontidae), a Predator of Hemlock Woolly Adelgid, Within the Urban Environment in Two Localities in Southwest Virginia

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dc.contributor.authorFoley, Jeremiah R.en
dc.contributor.authorMcAvoy, Thomas J.en
dc.contributor.authorDorman, Sethen
dc.contributor.authorBekelja, Kyleen
dc.contributor.authorKring, Timothy J.en
dc.contributor.authorSalom, Scott M.en
dc.contributor.departmentEntomologyen
dc.coverage.countryUnited Statesen
dc.coverage.stateVirginiaen
dc.date.accessioned2019-12-30T15:52:08Zen
dc.date.available2019-12-30T15:52:08Zen
dc.date.issued2019-09-30en
dc.date.updated2019-12-30T15:52:05Zen
dc.description.abstractHemlock woolly adelgid (HWA), Adelges tsugae Annand, is a highly destructive non-native pest lethal to eastern hemlock, Tsuga canadensis (L.) Carrière, and Carolina hemlock, T. caroliniana Engelmann. Fifty years following the first observation of HWA in eastern North America, a predatory beetle, Laricobius nigrinus Fender, was evaluated, approved, and released as a biological control agent. Efforts were made to mass rear L. nigrinus with the goal of redistributing the beetles on public lands, typically in forest ecosystems, as a secondary option to silvicultural and chemical controls. The majority of L. nigrinus releases has occurred on public lands. Herein, we report the observation of L. nigrinus within the urban environment outside of known release locations. Two towns, Blacksburg and Radford, were divided into 0.40 km2 grids. A total of 27 and 19 grids were randomly selected from each town, respectively. Hemlocks were present in 44 and 42% of the grids surveyed in Blacksburg and Radford, respectively. In Blacksburg and Radford, 86 and 100% of the grids with hemlocks were infested with HWA, and of those infested hemlocks, Laricobius spp. was present in 100 and 75% of grids, respectively. A total of 154 Laricobius spp. (98% L. nigrinus and 2% Laricobius rubidus) adults were collected between each town. While it is unclear the level of control L. nigrinus has on reducing HWA's impact, the establishment of this biological control agent in the urban environment is an additional level of predation, that would otherwise not be present, for homeowners with HWA-infested trees.en
dc.description.versionPublished versionen
dc.format.extent4 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN 30 (Article number)en
dc.identifier.doihttps://doi.org/10.1093/jipm/pmz027en
dc.identifier.eissn2155-7470en
dc.identifier.issue1en
dc.identifier.orcidSalom, Scott [0000-0002-8950-3442]en
dc.identifier.urihttp://hdl.handle.net/10919/96235en
dc.identifier.volume10en
dc.language.isoenen
dc.publisherOxford University Pressen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000489630000001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectLife Sciences & Biomedicineen
dc.subjectEntomologyen
dc.subjectAdelges tsugaeen
dc.subjecthemlocken
dc.subjectbiological controlen
dc.subjectBIOLOGICAL-CONTROL AGENTen
dc.subjectHEMIPTERA ADELGIDAEen
dc.subjectIMPACTSen
dc.subjectFORESTSen
dc.titleEstablishment and Distribution of Laricobius spp. (Coleoptera: Derodontidae), a Predator of Hemlock Woolly Adelgid, Within the Urban Environment in Two Localities in Southwest Virginiaen
dc.title.serialJournal of Integrated Pest Managementen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciencesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/Entomologyen
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
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/University Research Institutes/Fralin Life Sciencesen
pubs.organisational-group/Virginia Tech/University Research Institutesen

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