Intraspecific and Interspecific Competition Between Cotesia flavipes and Cotesia sesamiae (Hymenoptera: Braconidae), Gregarious Larval Endoparasitoids of Lepidopteran Stemborers

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dc.contributor.authorKairu, E. W.
dc.contributor.authorSallam, M. N.
dc.contributor.authorOverholt, W. A.
dc.date.accessioned2014-06-20T06:56:27Z
dc.date.available2014-06-20T06:56:27Z
dc.date.issued2002
dc.descriptionDOI:10.1080/09583150220146059en_US
dc.description.abstractSuper and multiple parasitism of Chilo partellus (Lepidoptera: Pyralidae) and Sesamia calamistis (Lepidoptera: Noctuidae) by Cotesia flavipes Cameron and Cotesia sesamiae (Cameron) (Hymenoptera: Braconidae) were investigated in the laboratory. Progeny production of Co. flavipes increased as a result of increasing the number of ovipositions, from one to three per one Ch. partellus host larva, then decreased as a result of four and five ovipositions per larva. Cocoon weight, sex ratio and emergence of the parasitoid progeny were not affected by superparasitism. Low progeny production of Co. sesamiae and poor survival of Ch. partellus host larvae were found as a result of superparasitism. When S. calamistis was the host, the duration of immature stages of Co. flavipes , parasitoid emergence, progeny production and sex ratio were not affected by superparasitism, but cocoon weight, adult longevity and the potential fecundity of adult females decreased. Superparasitism of S. calamistis by Co. sesamiae did not affect emergence, longevity or sex ratio of adult progeny of the parasitoid, but prolonged immature development, lowered cocoon weight and decreased potential fecundity of adult female progeny. Co. flavipes out-competed Co. sesamiae when Ch. partellus was parasitized by both species. The potential for local displacement of Co. sesamiae by Co. flavipes in areas dominated by Ch. partellus in East Africa is discussed.en_US
dc.identifier.citationBiocontrol Science and Technology Volume 12, Issue 4, 2002en_US
dc.identifier.issn0958-3157
dc.identifier.other1360-0478
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/10046
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.subjectCotesia Flavipesen_US
dc.subjectCotesia Sesamiaeen_US
dc.subjectChilo Partellusen_US
dc.subjectSesamia Calamistisen_US
dc.subjectStemborersen_US
dc.subjectParasitoid Competitionen_US
dc.subjectSuperparasitismen_US
dc.subjectMultiple Parasitismen_US
dc.titleIntraspecific and Interspecific Competition Between Cotesia flavipes and Cotesia sesamiae (Hymenoptera: Braconidae), Gregarious Larval Endoparasitoids of Lepidopteran Stemborersen_US
dc.typeArticleen_US
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