Metarhizium Anisopliae: An Effective Biological Control Agent for the Management of Thrips in Horti- and Floriculture in Africa

  • Sunday Ekesi
  • Nguya K. Maniania


The legume flower thrips, Megalurothrips sjostedti (Trybom) [Thysanoptera: Thripidae], the onion thrips, Thrips tabaci Lindeman [Thysanoptera: Thripidae] and the western flower thrips, Frankliniella occidentalis (Pergande) [Thysanoptera: Thripidae] are major pests of vegetable and ornamental crops in Africa. Megalurothrips sjostedti is considered as the major pest attacking the reproductive structures of cowpea (Vigna unguiculata (L.) Walp) [Leguminosae], an important pod and fodder crop that provides more than half the plant protein in human diets on the continent. Damage by M. sjostedti on cowpea is characterised by distortion, malformation and discolouration of leaf buds, flower buds and flowers, leading to necrosis and/or abscission (Ezueh, 1981). Yield losses vary between 20 to 100% in different parts of Africa (Singh and Allen, 1980).


Entomopathogenic Fungus Colorado Potato Beetle Chemical Insecticide French Bean Western Flower Thrips 
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Copyright information

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • Sunday Ekesi
    • 1
  • Nguya K. Maniania
    • 1
  1. 1.International Centre of Insect Physiology and Ecology (ICIPE)NairobiKenya

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