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Lethal and Sublethal Effects of Various Pesticides on Trichogramma achaeae (Hymenoptera: Trichogrammatidae)

dc.contributor.authorFontes, João
dc.contributor.authorRoja, Inés S.
dc.contributor.authorTavares, João
dc.contributor.authorOliveira, Luísa
dc.date.accessioned2018-05-09T11:21:24Z
dc.date.available2019-03-21T01:30:09Z
dc.date.issued2018-03-20
dc.description.abstractLittle information is available regarding the lethal and sublethal effects of pesticides on Trichogramma achaeae (Nagaraja and Nagarkatti; Hymenoptera: Tricogrammatidae) during integrated management of Tuta absoluta (Meyrick; Lepidoptera: Gelechiidae), an important pest for tomato production. Twenty-two pesticides sprayed on Ephestia kuehniella (Zeller; Lepidoptera: Pyralidae) eggs were evaluated on the mortality of adult parasitoids upon contact with the hosts 24 h after the treatments and their sublethal effects on the parasitoids were assessed in laboratory conditions. Tests were carried out with fresh solutions at the recommended concentration. According to the International Organisation for Biological and Integrated Control (IOBC) standards, chlorpyrifos is harmful to the parasitoid; merthiocarb, methomyl, spinosad lambda-cyhalothrin, and acrinatrin are moderately harmful; and chlorantraniliprole, lufenuron, hexythiazox, cyromazine and Bacillus thuringiensis have no effect on the parasitoid. Sulfur is slightly harmful, and azoxystrobin is harmless. Chlorpyrifos was the most lethal among these pesticides and killed all females in less than 24 h. All other pesticides affected the biological parameters of T. achaeae to varying degrees. Regarding the lethal and sublethal effects, merthiocarb and spinosad killed all female offspring in less than 24 h; lambda-cyhalothrin and sulfur reduced the number of parasitized eggs; and acrinatrin, deltamethrin and azoxystrobin affected the emergence rate. After that, we can recommend the use of chlorantraniliprole and B. thuringiensis to control Lepidoptera, cyromazine to control Diptera, pirimicarb to control Homoptera, hexythiazox to control mites and azoxystrobin can be used as fungicide in an integrated pest management program with mass released of T. achaeae.en
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFontes, J., Sanchez Roja, I. Tavares, J. & Oliveira, L. (2018). Lethal and Sublethal Effects of Various Pesticides on Trichogramma achaeae (Hymenoptera: Trichogrammatidae). "Journal of Economic Entomology", https://doi.org/10.1093/jee/toy064en
dc.identifier.doihttps://doi.org/10.1093/jee/toy064pt_PT
dc.identifier.issn0022-0493
dc.identifier.urihttp://hdl.handle.net/10400.3/4662
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherOxford University Presspt_PT
dc.subjectToxicologyen
dc.subjectPesticideen
dc.subjectIntegrated Pest Managementen
dc.subjectEgg Parasitoiden
dc.subjectSide Effecten
dc.titleLethal and Sublethal Effects of Various Pesticides on Trichogramma achaeae (Hymenoptera: Trichogrammatidae)en
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceUKpt_PT
oaire.citation.titleJournal of Economic Entomologyen
rcaap.rightsembargoedAccesspt_PT
rcaap.typearticlept_PT

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