3D X-ray analysis of the subterranean burrowing depth and pupal chamber size of Laricobius (Coleoptera: Derodontidae), a specialist predator of Adelges tsugae (Hemiptera: Adelgidae)

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dc.contributor.authorHillen, Ashleigh P.en
dc.contributor.authorFoley, Jeremiah R.en
dc.contributor.authorSalcedo, Mary K.en
dc.contributor.authorSocha, John J.en
dc.contributor.authorSalom, Scott M.en
dc.date.accessioned2024-02-12T18:27:49Zen
dc.date.available2024-02-12T18:27:49Zen
dc.date.issued2023-05-01en
dc.description.abstractThe non-native hemlock woolly adelgid (HWA), Adelges tsugae Annand (Hemiptera: Adelgidae), has caused a significant decline of eastern hemlock, Tsuga canadensis L. (Pinales: Pinaceae), and Carolina hemlock, Tsuga caroliniana Engelmann (Pinales: Pinaceae), in eastern North America. Biological control of HWA has focused on the use of 2 Laricobius spp. (Coleoptera: Derodontidae), natural predators of HWA, which require arboreal and subterranean life phases to complete their development. In its subterranean phase, Laricobius spp. are subject to abiotic factors including soil compaction or soil-applied insecticides used to protect hemlock from HWA. This study used 3D X-ray microcomputed tomography (micro-CT) to identify the depth at which Laricobius spp. burrows during its subterranean lifecycle, characterize pupal chamber volume, and determine whether soil compaction had a significant effect on these variables. The mean burrowing depth in the soil of individuals was 27.0 mm ± 14.8 (SD) and 11.4 mm ± 11.8 (SD) at compaction levels of 0.36 and 0.54 g/ cm3, respectively. The mean pupal chamber volume was 11.15 mm3 ± 2.8 (SD) and 7.65 mm3 ± 3.5 (SD) in soil compacted at 0.36 and 0.54 g/cm3, respectively. These data show that soil compaction influences burrowing depth and pupal chamber size for Laricobius spp.This information will help us better identify the effect of soil-applied insecticide residues on estivating Laricobius spp. and soil-applied insecticide residues in the field. Additionally, these results demonstrate the utility of 3D micro-CT in assessing subterranean insect activity in future studies.en
dc.description.versionPublished versionen
dc.format.extent7 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifierARTN 19 (Article number)en
dc.identifier.doihttps://doi.org/10.1093/jisesa/iead044en
dc.identifier.eissn1536-2442en
dc.identifier.issn1536-2442en
dc.identifier.issue3en
dc.identifier.orcidSalom, Scott [0000-0002-8950-3442]en
dc.identifier.orcidSocha, John [0000-0002-4465-1097]en
dc.identifier.other7204438 (PII)en
dc.identifier.pmid37341727en
dc.identifier.urihttps://hdl.handle.net/10919/117951en
dc.identifier.volume23en
dc.language.isoenen
dc.publisherOxford University Pressen
dc.relation.urihttps://www.ncbi.nlm.nih.gov/pubmed/37341727en
dc.rightsPublic Domain (U.S.)en
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/en
dc.subjectEntomologyen
dc.subjectAdelges tsugaeen
dc.subjectDerodontidaeen
dc.subjectbiological controlen
dc.subjectX-ray imagingen
dc.subjectmicro-CTen
dc.subject.meshAnimalsen
dc.subject.meshHemipteraen
dc.subject.meshTsugaen
dc.subject.meshInsecticidesen
dc.subject.meshPredatory Behavioren
dc.subject.meshPupaen
dc.subject.meshX-Raysen
dc.subject.meshX-Ray Microtomographyen
dc.subject.meshColeopteraen
dc.title3D X-ray analysis of the subterranean burrowing depth and pupal chamber size of <i>Laricobius</i> (Coleoptera: Derodontidae), a specialist predator of <i>Adelges tsugae</i> (Hemiptera: Adelgidae)en
dc.title.serialJournal of Insect Scienceen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
dcterms.dateAccepted2023-06-06en
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/Engineeringen
pubs.organisational-group/Virginia Tech/Engineering/Biomedical Engineering and Mechanicsen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Engineering/COE T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen

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