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Grape > Woody Vines > Holes in young woody vines (canes)

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  • Image: Apple Twig Borer 3
    Credit: E. C. Burkness, U of MN
  • Image: Apple Twig Borer 2

    Credit: E. C. Burkness, U of MN

  • Image: Apple Twig Borer 1

    Credit: E. C. Burkness, U of MN

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green arrowApple Twig Borer

  • Entrance holes, about 1/2 cm in diameter, are obvious where adults have tunneled into canes
  • Adults are active in August-September
  • Adults are elongate, approximately 1/5 to 1/2 inch, with a reddish brown to brownish black color
  • More information on Apple Twig Borer...

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