Jewel beetle

Jewel beetle: Sphenoptera indica  

Symptoms of damage:

  • Wilting of plants in patches
  • The grub burrows into the stem close to the soil surface and kills the plant
  • Infested fields show dead and dying plants, which when pulled up and examined grub/pupa can be seen in hollowed stem

Identification of pest:

  • Larvae: Slow movers having globular head and elongated, dorso-ventrally flattened body
  • Adult:  Shiny Beetle, 10 mm long and 3 mm wide


  • Deep ploughing in the summer
  • Use well decomposed organic manure
  • Manual destruction of infested plant stems may help in reducing its population
  • Conserve braconids, dragonflies, trichogrammatids, NPV, green muscardine fungus
  • Applying carbofuran granules@ 2.25 kg a.i /ha in the planting row can be effective prophylactic measure.



  • TamilNadu Agritech Portal
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