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Weigelea > Stems/branches > Rough or bumpy areas on bark

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  • Image: 1
    Credit: W. Seidel, University of Minnesota
  • Image: 2

    Credit: Jeffrey Hahn, University of Minnesota

  • Image: 2

    Credit: W. Seidel, University of Minnesota

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green arrowOystershell scale
Lepidosaphes ulmi

  • Light to moderate infestations show little or no symptoms
  • Severe infestations can cause chlorotic, stunted foliage
  • Dieback and cracked bark can result from heavy infestations
  • Light to dark brown, elongated, 1/10 to 1/8 inch long oyster-shell shaped scales found on bark
  • More information on oystershell scale...

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