Acceptance and suitability of four lepidopteran stemborers for the development of the pupal parasitoid Xanthopimpla stemmator (Hymenoptera: Ichneumonidae)

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dc.contributor.authorGitau, C. W.
dc.contributor.authorNgi-Song, A. J.
dc.contributor.authorOtieno, S.A.
dc.contributor.authorOverholt, W. A.
dc.date.accessioned2014-09-02T06:18:59Z
dc.date.available2014-09-02T06:18:59Z
dc.date.issued2005
dc.descriptionDOI: 10.1080/09583150500088603en_US
dc.description.abstractXanthopimpla stemmator (Thunberg), a solitary endoparasitoid of lepidopteran stemborer pupae, was recently imported into East Africa as a candidate biological control agent of gramineous stemborers. Suitability of Busseola fusca Fuller, Chilo partellus (Swinhoe), Eldana saccharina (Walker) and Sesamia calamistis Hampson, for the development of X. stemmator was studied in the laboratory. One- to 6-day-old laboratory reared pupae of the four stemborer species were exposed to naïve X. stemmator females. All host pupae and ages were acceptable for oviposition. The parasitoids inflicted multiple probe wounds on 67.8% of pupae exposed. B. fusca, C. partellus and S. calamistis were equally suitable with 56.4, 59.4 and 52.3%, respectively, of probed pupae leading to emergence of adult parasitoids. E. saccharina was less suitable with only 22.6% of probed pupae producing parasitoids. Emergence of parasitoids did not differ significantly across the six pupal ages for B. fusca and S. calamistis, but varied for C. partellus and E. saccharina. No parasitoids emerged from 6-day-old E. saccharina pupae. Realized fecundity of females reared on the four stemborer pupae showed that fewer progeny were produced by females emerging from E. saccharina than females reared on the other three stemborer species. Eldana saccharina may be a poor host for X. stemmator in Kenya, but this parasitoid is a potential candidate for biological control of B. fusca, C. partellus and S. calamistis.en_US
dc.identifier.citationBiocontrol Science and Technology Volume 15, Issue 6, 2005en_US
dc.identifier.issn0958-3157
dc.identifier.other1360-0478
dc.identifier.urihttp://www.tandfonline.com/doi/pdf/10.1080/09583150500088603
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/11100
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.subjectBiological controlen_US
dc.subjecthost acceptanceen_US
dc.subjecthost suitabilityen_US
dc.subjectstemborersen_US
dc.subjectXanthopimpla stemmatoren_US
dc.titleAcceptance and suitability of four lepidopteran stemborers for the development of the pupal parasitoid Xanthopimpla stemmator (Hymenoptera: Ichneumonidae)en_US
dc.typeArticleen_US
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