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walnut twig beetle (Pityophthorus juglandis)

walnut twig beetle (Pityophthorus juglandis)

Thousand cankers disease is a fungal disease primarily affecting walnut trees, spread by the walnut twig beetle (Pityophthorus juglandis). While impacts vary greatly, diagnostic tools and an updated integrated pest management program are urgently needed. A new paper in the Journal of Integrated Pest Management highlights strategies that can be effective in managing TCD in commercial walnut plantations. (Photo by Steven Valley, Oregon Department of Agriculture, Bugwood.org)

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