White grubs

White grubs : Holotrichia consanguinea, Holotrichia serrata

Symptoms of damage:

  • The grubs feed roots and damage pods.
  • Grubs feed on fine rootlets, resulting in pale wilted plants, dying in patches.

Identification of the pest:

  • Eggs:  White, almost round.
  • Larvae:  Young grubs are translucent, whitish yellow in colour , fleshy  ‘C’ – shaped
  • Adults: Dark brown beetle. Beetles emerge out of the soil within 3-4 days after the onset of rain.


  • Apply anyone of the following insecticides
    • Carbofuran 3%CG 33.3 kg/ha
    • Chlorpyrifos 20%EC 1125 ml/ha
    • Phorate 10%CG 25 kg/ha.



  • TamilNadu Agritech Portal
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