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    Potential distribution of the invasive mite Tetranychus evansi (Tetranychidae) in the Mediterraean region

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    migeon-potential-2008.pdf (930.9Kb)
    Date
    2008
    Author
    Bertrand, M.
    Kreiter, S.
    Mc Coy, k.D.
    Migeon, A.
    Navajas, M.
    Tixier, M.S.
    Vial, L.
    Type
    Conference Proceedings
    Metadata
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    Abstract/Description
    Predicting the potential geographical distribution of a species is particularly useful for pests with strong invasive abilities. Tetranychus evansi, possibly native of South America, is a spider mite recognized as a pest of solanaceous crops. This mite is considered as an invasive species in Africa and Europe and has been recorded in many parts of the world. To define the potential global distribution of the species, a CLIMEX model distribution was developed using: i) South American records, ii) laboratory life‐history parameters and iii) exotic records. The model results fitted the known distribution of T.evansi Except for some dry locations host plants develop only with irrigation. High temperatures, dry and wet stresses play a role in limiting the spread of the mite in the tropics, Whereas in a large part of North America and Europe, the distribution of T.evansi appears to be limited essentially by cold stress. A distribution map is provided for the global potential distribution of T.evansi. The Mediterranean region is of particular interest because it is the main area where tomato is grown in open fields in Europe. According to the model, the Mediterranean region will be colonized in exorably by the pest. However, model results indicate a mite distribution being limited to coastal areas.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/2910
    IITA Subjects
    Agribusiness; Climate Change; Pests Of Plants; Domestic Trade; Handling, Transport, Storage And Protection Of Agricultural Products; Plant Health; Food Security; Markets; Diseases Control; Plant Diseases; Plant Production
    Agrovoc Terms
    Biological Invasions; Climex; Climate; Predicting Species Distribution; Invasion Risk Assessment; Tetranychus Evansi
    Regions
    Acp; Africa; Europe; East Africa; South America; Southern Africa
    Countries
    France; Spain; Kenya; Uganda; Brazil; South Africa
    Collections
    • Conference Documents594
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