Browsing by Subject "Walnut--Diseases and pests--Control--Washington (State)"

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  • Protecting backyard walnut trees from walnut husk fly 

    Bush, Michael R. (Michael Robert), 1962-; Daniels, Catherine H., 1957- (Pullman, Washington : Washington State University. Extension., 2016-03)
    This fact sheet helps homeowners recognize the walnut husk fly (adult and immature), and the damage this pest causes to walnut kernels themselves. This publication focuses on cultural strategies to minimize damage from ...

  • Walnut husk fly 

    Bush, Michael R. (Michael Robert), 1962-; Olsen, Jeff; Antonelli, Arthur L. (Pullman, Washington : Washington State University. Extension., 2014-07)
    The walnut husk fly, Rhagoletis completa Cresson, can become a serious pest of walnuts throughout the Pacific Northwest. While the larvae of this fly feed directly on walnut husks, their feeding will impact the quality of ...