Hard scale

Hard scaleAspidiotus destructor 

Symptoms of damage:

  • Grubs bore into the rhizome and cause death of the plant
  • The presence of dark coloured tunnels in the rhizomes.
  • The death of unopened pipe, withering of outer leaves.

Identification of pest:

  • Nymph: Oval translucent, Yellowish brown with waxy coating
  • Adult: Female circular, semi-transparent and pale brown


  • Collect and destroy the affected plant parts
  • Field release of coccinelid predators like Chilocorus nigritus, Symnus coccivora



  • TamilNadu Agritech Portal
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