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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Dogwood > Small, cottony masses on twigs and branches

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Dogwood > Stems/branches > Small, cottony masses on twigs and branches

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  • Image: Codling moth 1
  • Image: Codling moth 2

Cottony maple scale
Pulvinaria innumerablis

  • Cottony egg sacs look like popcorn on twigs
  • Large amounts of honeydew is produced
  • Sooty mold colonizes the honeydew producing blackened appearance on leaves, twigs and ranches
  • Dieback of twigs and branches may occur when large numbers of cottony maple scale are present
  • More information on Cottony maple scale

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