Sub-lethal effects of two pyrethroids on biological parameters and behavioral responses to host cues in 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.accessioned2024-04-24T16:10:55Z
dc.date.available2024-04-24T16:10:55Z
dc.date.issued2010
dc.departmentDicle Üniversitesien_US
dc.description.abstractThe present study was undertaken to investigate possible integration of synthetic pyrethroids with biological control of Sesamia nonagrioides Lefebvre (Lepidoptera: Noctuidae) by the egg parasitoid Telenomus busseolae Gahan (Hymenoptera: Scelionidae). The effects of two commonly used synthetic pyrethroids, deltamethrin (Decis Jet 15 EC) and cyfluthrin (Bayteroid 5 EC), on the parasitoid were studied. Lethal concentrations (LC25) were estimated for both insecticides, and their sub-lethal effects on some biological parameters and behavioral responses to different kairomonal cues mediating host location were investigated. Parasitoid females exposed to cyfluthrin (LC25) parasitized significantly fewer eggs than untreated females, whereas neither the level of emergence from parasitized eggs nor the sex ratio of the offspring was affected by the insecticides. None of the above biological parameters were significantly affected by deltamethrin (LC25). Both insecticide treatments reduced the longevity of the parasitoids. The effects of both insecticides (LC25) on the behavioral responses of parasitoid females to the sex pheromone of S. nonagrioides, which acts as a long-distance kairomone, were investigated in a Y-tube olfactometer. Cyfluthrin-treated parasitoids failed to respond to the host pheromone, whereas deltamethrin-treated females responded similarly to untreated females. In addition, sub-lethal effects of pyrethroids on parasitoid arrestment behaviors were evaluated in an open arena containing abdominal scales from virgin female moths, which are a source of short-distance kairomone for the parasitoid. No significant differences in arrestment behaviors (residence time, linear speed) were found. Based on our results, possible consequences of treating maize with cyfluthrin or deltamethrin on the effectiveness of surviving T. busseolae in the field are discussed. (C) 2009 Elsevier Inc. All rights reserved.en_US
dc.description.sponsorshipESF-BEPAR [1953]en_US
dc.description.sponsorshipWe would like to thank Andrea Luchetti, Donatella Marchionni, Daniela Fortini, and Cesare Dentini for maintaining the insect cultures and Fulvio Ielo for help during data collection. 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.doi10.1016/j.biocontrol.2009.09.012
dc.identifier.endpage160en_US
dc.identifier.issn1049-9644
dc.identifier.issn1090-2112
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-77949270227
dc.identifier.scopusqualityQ1
dc.identifier.startpage153en_US
dc.identifier.urihttps://doi.org/10.1016/j.biocontrol.2009.09.012
dc.identifier.urihttps://hdl.handle.net/11468/15182
dc.identifier.volume53en_US
dc.identifier.wosWOS:000275806200002
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherAcademic Press Inc Elsevier Scienceen_US
dc.relation.ispartofBiological Control
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSesamia Nonagrioidesen_US
dc.subjectNoctuidaeen_US
dc.subjectTelenomus Busseolaeen_US
dc.subjectScelionidaeen_US
dc.subjectCyfluthrinen_US
dc.subjectDeltamethrinen_US
dc.subjectSub-Lethal Effectsen_US
dc.titleSub-lethal effects of two pyrethroids on biological parameters and behavioral responses to host cues in the egg parasitoid Telenomus busseolaeen_US
dc.titleSub-lethal effects of two pyrethroids on biological parameters and behavioral responses to host cues in the egg parasitoid Telenomus busseolae
dc.typeArticleen_US

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