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    Infestation of maize by Prostephanus truncatus initiated by maleproduced pheromone

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    Date
    1997
    Author
    Scholz, D.
    Borgemeister, C.
    Meikle, W.G.
    Markham, R.H.
    Poehling, H.M.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    Delta traps baited with maize cobs, which were infested each with one male Prostephanus truncatus (Horn) (Col.: Bostrichidae), were distributed in southern Benin and collected after one, two, three and four weeks. The numbers of P. truncatus caught during the different trapping periods were not significantly different. Sixty‐four percent of the trapped P. truncatus were females. Females attracted during the one‐week trapping period produced a mean of 6.9 progeny during the seven days. The sex ratio of the progeny was 1:1. Trap catches with the infested cobs were on average 13 times lower than catches with 2 mg of the artificial pheromone. Estimation of P. truncatus densities in a maize store at the beginning of the storage period (based on laboratory data) revealed that small initial numbers of P. truncatus, possibly attracted by a single male, sufficed to initiate high infestation rates later in the storage season
    https://doi.org/10.1046/j.1570-7458.1997.00156.x
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5002
    Digital Object Identifier (DOI)
    https://doi.org/10.1046/j.1570-7458.1997.00156.x
    IITA Subjects
    Pests Of Plants; Maize
    Agrovoc Terms
    Prostephanus Truncates; Maize; Bostrichidae; Pheromones
    Regions
    Africa; West Africa
    Countries
    Benin
    Collections
    • Journal and Journal Articles4835
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