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Comparative development, longevity and population growth of exotic and native parasitoids of lepidopteran cereal stemborers in Kenya

Published online by Cambridge University Press:  09 March 2007

J.C. Mbapila  and
W.A. Overholt
J.C. Mbapila
Affiliation:
Kilombero Agricultural Research and Training Institute (KATRIN), Private Bag, Ifakara, Tanzania
W.A. Overholt*
Affiliation:
International Centre of Insect Physiology and Ecology (ICIPE), PO Box 30772, Nairobi, Kenya
*
*Fax: 254 2 803360/860110 E-mail: [email protected]
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Abstract

Studies on the effect of temperature on the development, longevity and population growth of Cotesia flavipes Cameron and Cotesia sesamiae (Cameron) indicated that the development of both Cotesia spp. from oviposition to cocoon formation and adult emergence was inversely to temperature. The longevity of the parasitoids was also inversely related to temperature. Both parasitoids lived longer when moisture and food (agar + honey/water) were provided. The mean number of females and total adult progeny produced by C. flavipes on two host were, in most cases, higher than C. sesamiae. The intrinsic rate of natural increase of C. flavipes was higher than that of C. sesamiae.

Type
Research Article
Information
Bulletin of Entomological Research , Volume 91 , Issue 5 , October 2001 , pp. 347 - 353
Copyright
Copyright © Cambridge University Press 2001

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