Citrus psyllid

Citrus psyllidDiaphorina citri

Symptoms of damage:

  • Both nymphs and adults suck sap from the plants and injection of toxic saliva
  • Nymphs – are more destructive, crowd on the terminal shoots, buds and tender leaves
  • Excrete honeydew- growth of sooty moulds
  • Affected plant parts dry and die away
  • It transmits the “Greening” virus

Identification of pest:

  • Nymphs: Are flattened, oval in shape with orange colour
  • Adult: Minute insect, shiny black with grey dusting on the body, wings are extending beyond the tip of the abdomen


  • Collect and destroy the damaged plant parts
  • Spraying with systemic insecticides at flush growth periods
  • Spray malathion 0.05% or carbaryl 0.1%
  • Encourage the activities natural enemies such as Syrphids and Chrysopids.



  • TamilNadu Agritech Portal


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