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Evidence of the establishment of Cotesia flavipes (Hymenoptera: Braconidae) in continental Africa

Published online by Cambridge University Press:  10 July 2009

C.O. Omwega*
Affiliation:
International Centre of Insect Physiology and Ecology, Nairobi, Kenya
S.W. Kimani
Affiliation:
National Museums of Kenya, Nairobi, Kenya
W.A. Overholt
Affiliation:
International Centre of Insect Physiology and Ecology, Nairobi, Kenya
C.K.P.O. Ogol
Affiliation:
Zoology Department, Kenyatta University, Nairobi, Kenya
*
C.O. Onwega, The International Centre of Insect Physiology and Ecology, PO Box 30772, Nairobi, Kenya.

Abstract

Cotesia flavipes Cameron has been released several times in Africa for biological control of gramineous stem borers. Establishment has been reported on the Indian Ocean islands of Mauritius, Réunion and Madagascar, however, several attempts to introduce C. flavipes into continental Africa are reported to have failed. Recently, several cocoon masses of C. flavipes were recovered from south-western Kenya where the parasitoid was never released. Identifications of the parasitoids from south-western Kenya were based on morphological characters, allozyme frequencies, and mating experiments with laboratory populations of C. flavipes. It is hypothesized that C. flavipes became established from individuals escaping from a laboratory colony maintained in south-western Kenya in 1991.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1995

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