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Release and establishment ofCotesia flavipes for biological control of maize stemborers in Zimbabwe

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Abstract

Five populations of the crambid stemborerChilo partellus (Swinhoe) and one of the noctuid borerBusseola fusca (Fuller) from Zimbabwe were evaluated for their suitability for immature development of the exotic braconid larval parasitoidCotesia flavipes Cameron. Successful parasitoid development occurred only onC. partellus but parasitism as well as egg-to-adult development time did not vary among the five populations. Smallest parasitoid broods, and sex ratios as the proportion of female offspring, however, were produced withC. partellus from the Muzarabani area of Zimbabwe.Co. flavipes became successfully established in five out of eight locations, where it had been released in July 1999 and the 2004/05 summer season. Its spread and impact, however, still need to be assessed.

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Author information

Authors and Affiliations

  1. Biological Sciences Dept., University of Zimbabwe, Mount Pleasant, Harare, Zimbabwe

    P. Chinwada

  2. International Centre of Insect Physiology and Ecology, Nairobi, Kenya

    F. Schulthess & C. O. Omwega

  3. Indian River Research and Education Center, University of Florida, 34945, Fort Pierce, FL, USA

    W. A. Overholt

  4. Crop Science Dept., University of Zimbabwe, Mount Pleasant, Harare, Zimbabwe

    P. Jowah

Authors
  1. P. Chinwada
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  2. F. Schulthess
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  3. W. A. Overholt
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  4. P. Jowah
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  5. C. O. Omwega
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Corresponding author

Correspondence to F. Schulthess.

Additional information

http://www.phytoparasitica.org posting March 10, 2008.

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Chinwada, P., Schulthess, F., Overholt, W.A. et al. Release and establishment ofCotesia flavipes for biological control of maize stemborers in Zimbabwe. Phytoparasitica 36, 160–167 (2008). https://doi.org/10.1007/BF02981328

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  • DOI: https://doi.org/10.1007/BF02981328

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