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SCALE



Mature grapevine scale are 5-7 mm long
Mature grapevine scale are 5-7 mm long
Photo credit: David Madge
Look For Look For Notes

   LOOK FOR

   CONDITIONS

  • Found on canes and wood
  • Tiny yellow crawler (young) scale are mobile but difficult to see. Young adults are small and also light in colour. Mature scale attach themselves to the vine and excrete honeydew thay may lead to sooty mould.
  • Parasitic wasps usually control grapevine scale. A paarasitised scale will have a small hole where the wasp has exited.

OTHER SCALE IMAGES

Hand lens view of mature grapevine scale Grapevine scale produce drops of honeydew Grapevine scale are usually controlled by parasitic wasps. Note the holes in this scale where the wasp has exited

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