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Crop Protection :: Pests of Grapes
Mealy bug: Ferrisia virgata

Symptoms of damage

  • Premature dropping of fruit.

Identification of pest

  • Nymph - Yellowish to pale white.
  • Adult - long, slender covered with white waxy secretions

Management

  • Debark vines and branches and apply methyl parathion paste
  • Collect damaged bark, leaves, twigs and stems
  • Use sticky traps  on fruit – bearing shoots at a length of 5 cm
  • Use dichlorvos 76 WSC 0.15% in combination with fish oil rosin soap (25g/lit)
  • Insecticides
    • Dimethoate 30 EC plus kerosene oil at 150 ml plus 250 ml in 100 ml of water
    • Apply quinalphos dust in the soil at 25 kg/ ha to kill ants
    • Release exotic predator, Cryptolaemus montrouzieri @ 10 beetles/vine
    • Field release of parasitoids - Anagrus dactylopii, Gyanusoidea mirzai
Adult

 


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