Lethal and sublethal effects of preimaginal treatments with two pyrethroids on the life history of the egg parasitoid Telenomus busseolae

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dc.contributor.authorBayram, Ahmet
dc.contributor.authorSalerno, Gianandrea
dc.contributor.authorOnofri, Andrea
dc.contributor.authorConti, Eric
dc.date.accessioned2024-04-24T16:02:06Z
dc.date.available2024-04-24T16:02:06Z
dc.date.issued2010
dc.departmentDicle Üniversitesien_US
dc.description.abstractThe egg parasitoid Telenomus busseolae Gahan (Hymenoptera: Scelionidae) is one of the most important natural enemies of the Mediterranean corn stem borer, Sesamia nonagrioides Lefebvre (Lepidoptera: Noctuidae). The effects of lethal and sublethal concentrations of two commonly used pyrethroids, deltamethrin and cyfluthrin, on emergence, fecundity, longevity, and offspring sex ratio of T. busseolae exposed during different preimaginal stages were studied. The insecticide, the tested concentrations of the insecticide (field-recommended concentration and three dilutions with twofold concentration decreases), and the stage of parasitoid preimaginal development (first and second larval stages and pupae) all significantly influenced the percentage of emergence. Life history parameters of parasitoids exposed to the highest and lowest tested concentrations of the two insecticides (3.0 and 0.375 ml l(-1) for cyfluthrin and 0.5 and 0.0625 ml l(-1) for deltamethrin) at eight days post-oviposition (pupal stage) were calculated. The intrinsic rate of increase, the total progeny produced, and the net reproductive rate of the parasitoid were all adversely affected by the field-recommended concentrations of at least one insecticide. However, the longevity, the length of the oviposition period, and the offspring sex ratio were unaltered by the two insecticides. The effects of sublethal concentrations of the insecticides, applied at preimaginal stages, on the responses of T. busseolae females to host abdominal scales, were studied in open-arena bioassays. Cyfluthrin altered both the residence time and linear speed of the parasitoid in the host scale-containing areas, whereas deltamethrin had no effect. Our results indicate that, in addition to lethal effects, sublethal effects should also be considered when evaluating insecticide consequences on non-targets.en_US
dc.description.sponsorshipEuropean Science Foundation-Behavioral Ecology of Insect Parasitoids (ESF-BEPAR) [1953]en_US
dc.description.sponsorshipWe sincerely would like to thank Andrea Luchetti, Donatella Marchionni, Daniela Fortini, and Cesare Dentini for maintaining the insect cultures. We also would like to thank the European Science Foundation-Behavioral Ecology of Insect Parasitoids (ESF-BEPAR) program for financially supporting the first author (A. Bayram) with an exchange grant (Grant No: 1953).en_US
dc.identifier.doi10.1007/s10526-010-9288-8
dc.identifier.endpage710en_US
dc.identifier.issn1386-6141
dc.identifier.issn1573-8248
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-78649326627
dc.identifier.scopusqualityQ1
dc.identifier.startpage697en_US
dc.identifier.urihttps://doi.org/10.1007/s10526-010-9288-8
dc.identifier.urihttps://hdl.handle.net/11468/14625
dc.identifier.volume55en_US
dc.identifier.wosWOS:000285885200001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofBiocontrol
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectInsecticideen_US
dc.subjectNon-Target Effectsen_US
dc.subjectBiologyen_US
dc.subjectBehavioren_US
dc.subjectHymenopteraen_US
dc.subjectScelionidaeen_US
dc.titleLethal and sublethal effects of preimaginal treatments with two pyrethroids on the life history of the egg parasitoid Telenomus busseolaeen_US
dc.titleLethal and sublethal effects of preimaginal treatments with two pyrethroids on the life history of the egg parasitoid Telenomus busseolae
dc.typeArticleen_US

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