Harnessing Chelonus inanitus for efficient Spodoptera spp. management: learning about production to explore roles in baculovirus transmission

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dc.contributor.authorDáder, Beatriz
dc.contributor.authorMorel, Ariel
dc.contributor.authorMuñoz Labiano, Delia
dc.contributor.authorCaballero Murillo, Primitivo
dc.contributor.authorMedina, Pilar
dc.contributor.departmentAgronomía, Biotecnología y Alimentaciónes_ES
dc.contributor.departmentAgronomia, Bioteknologia eta Elikaduraeu
dc.date.accessioned2025-06-30T17:14:41Z
dc.date.available2025-06-30T17:14:41Z
dc.date.issued2025-03-01
dc.date.updated2025-06-30T17:00:01Z
dc.description.abstractControl of Spodoptera spp. (Lepidoptera: Noctuidae) crop pests has traditionally relied on heavy insecticide use. Baculoviruses (BV) from the genera Alphabaculovirus and Betabaculovirus offer effective, species-specific alternatives for managing their outbreaks. Joint use of BVs with natural enemies, such as parasitoids, could further enhance control of Spodoptera spp. by contributing to virus dispersion. In a series of experiments, we studied the optimal host age and parasitization duration of the endoparasitoid Chelonus inanitus L. (Hymenoptera: Braconidae) for parasitoid production, as well as the parasitoid preference and mechanical transmission of Spodoptera exigua and Spodoptera littoralis multiple nucleopolyhedroviruses (SeMNPV and SpliMNPV). We found that parasitoid progeny production was significantly lower when parasitized eggs were either too young (24 h) or too old (96 h), highlighting the importance of host egg age. Additionally, there was an increasing trend in parasitoid offspring production with longer parasitization exposure times, particularly at 6 and 24 h compared to shorter durations. Chelonus inanitus did not discriminate between SpliMNPV-contaminated and non-contaminated eggs, but had a remarkable preference for SeMNPV-contaminated eggs. The parasitoid effectively dispersed BVs, not only from BV-treated eggs to heathy ones by parasitization, but also, and even more efficiently, by the sole contact with a contaminated surface without eggs. Understanding complex BV-parasitoid interactions is crucial for developing integrated pest management strategies that maximize the efficacy of both parasites.en
dc.description.sponsorshipThis work was supported by MCIN/AEI/https://doi.org/10.13039/501100011033 [grant numbers PID2020-117062RB-C22, IJC2018-035042-I]; and the Ministerio de Hacienda, Paraguay [grant number 01/2019].
dc.format.mimetypeapplication/pdf
dc.format.mimetypeapplication/msword
dc.identifier.citationDáder, B., Morel, A., Muñoz, D., Caballero, P., Medina, P. (2025) Harnessing Chelonus inanitus for efficient Spodoptera spp. management: learning about production to explore roles in baculovirus transmission. Biological Control, 202, 1-10. https://doi.org/10.1016/j.biocontrol.2025.105707.
dc.identifier.doi10.1016/j.biocontrol.2025.105707
dc.identifier.issn1049-9644
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/54350
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofBiological Control 202, 2025, 105707
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117062RB-C22/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI//IJC2018-035042-I/
dc.relation.publisherversionhttps://doi.org/10.1016/j.biocontrol.2025.105707
dc.rights© 2025 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license.
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectSpodoptera exiguaen
dc.subjectSpodoptera littoralisen
dc.subjectAlphabaculovirusen
dc.subjectParasitoiden
dc.subjectBraconidaeen
dc.subjectBiological controlen
dc.titleHarnessing Chelonus inanitus for efficient Spodoptera spp. management: learning about production to explore roles in baculovirus transmissionen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
relation.isAuthorOfPublicationcc878517-e4e6-491d-a424-b6e9ada5a61e
relation.isAuthorOfPublicationecde8e03-14c2-46a3-9e89-ae3b2c668297
relation.isAuthorOfPublication.latestForDiscoverycc878517-e4e6-491d-a424-b6e9ada5a61e

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