This beetle, Oberea myops, causes damage in two ways. First, egg deposits can cause the first 3 to 4 inches of the current season's growth to wilt or die. This is evidenced by girdling in two places, approximately % inch apart, on the injured twig. Secondly, grubs can cause canes to die. Leaves will turn from green to yellow and drop off, and the cane will die. Pinholes along the shoot with yellowish strings hanging from them are indicative of this problem.
This pest can be controlled by removing wilted tips below the insect damage and burning them.
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