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Crop Protection :: Pests of Grapes
Mealy bug: Maconellicoccus hirsutus 

Symptoms of damage

  • Nymphs and adults suck the sap from leaves, shoots and fruits
  • Honey dew – development of sooty mould on leaves, shoots and branches
  • Crinkling and yellowing of leaves
  • Rotting of berries

Identification of pest

  • Nymph - pinkish in colour.
  • Adult – pink colour and covered with white wax

Management

  • Apply quinalphos dust in the soil @ 20 kg/ha to kill the ants.
  • Spray dichlorvos 76 WSC at the rate of 1 ml/lit with fish oil rosin soap at 25 g/lit.
  • Release Coccinellid beetle, Cryptolaemus montrouzieri at the rate of 10 per vine.

 

Pink mealy bug

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