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    Establishment of the neotropicalpredator Amblyseius idaeus(Acari: Phytoseiidae) in Benin, West Africa

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    Date
    1992
    Author
    Yaninek, J.S.
    Megevand, B.
    Moraes, G.J.
    Bakker, F.
    Braun, A.
    Herren, H.R.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    Populations of the phytoseiid predator Amblyseius(=Neoseiulus) idaeus (Denmark & Muma) From Northeastern Brazil, have been successfully introduced into Benin, West Africa, as part of a classical biological control campaign to control the exotic cassava green mite, Mononychellus tanajoa (Bondar). Monthly follow-up surveys revealed the presence of A. idaeus in most release sites. Some population have persisted for at least 18 months, including two cycles of potentially limiting wet and dry season conditions. In some cities, A. idaeus has been the numerically dominant phytoseiid predator on cassava, Manihot esculenta, where it is associated with the tetranychids M. tanajoa and Oligoncychus gossypii Zacher. During periods of low M.tanajao densities, A. idaeus disappeared from cassava, but were found on weeds with O. gossypii until prey densities on cassava increased.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5451
    IITA Subjects
    Cassava; Pests Of Plants
    Agrovoc Terms
    Biological Control; Cassava; Tetranychidae; Phytoseiidae
    Regions
    Acp; Africa; Europe; West Africa
    Countries
    Benin; Netherlands
    Collections
    • Journal and Journal Articles4839
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