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Population fluctuation of Cosmopolites sordidus in banana plantations in Maranhao



Population fluctuation of Cosmopolites sordidus in banana plantations in Maranhao



Comunicado Tecnico, Empresa Maranhense de Pesquisa Agropecuaria (8): 7



Observations carried out in old-established banana plantations in Rosario, Lima Campos and Pedreiras, Maranhao, Brazil, on the population fluctuations of the curculionid Cosmopolites sordidus showed that the pest was present throughout the year in Rosario and Pedreiras, with population peaks in July, October and December and in September and December, respectively. In Lima Campos, the pest was less abundant and was absent in April; there were population peaks in September and December.

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