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Agritech Archive

Production · Protection · Nutrients · Water
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Mealy bug: Planoccus citri

Symptoms of damage

  • Both nymphs and adults suck the sap from the cells of tender branches and fruits
  • Turn pale colour
  • Affected plant parts - wilt and dry up
  • Large amounts of honey dew excrete - sooty mould fungus
  • Fungus covers the foliage and fruits
  • In severe infestation the flowers do not form fruits

Identification of pest

  • Eggs: Are laid in clusters, protective cottony mass
  • Nymphs : Are amber coloured with white waxy coating with filaments
  • Adult: Male is winged, long antenna and without mouth parts . Female is wingless, flat body and short, waxy filaments along the margins

Management

  • Collect and destroy the damaged leaves, twigs and stems
  • Use sticky trap (5cm length) on fruit bearing shoots
  • Soil treatment with chlorophyriphos apply on the near the tree trunk
  • Spraying of trees with acephate, .
  • Field release of Australian lady bird beetle, Cryptoleamus montrouizeri 10 per tree
Egg massAdult female and crawlers
Mealy bug on fruits