Beetle borer

Beetle borer: Onthophgus spp.

Symptoms of damage:

  • Larva makes the bore hole which is neat, circular tiny and at right angles to the pericarp mostly on the ventral side.
  • When attack is on young immature capsules, they put forth matured appearance, decay and drop off.
  • Adults beetle bores the flowers and feed on tissues

Identification of pest:

  • Adult: small, dark brown, cylindrical beetle with short thick erect hairs covered all over body.
  • The elytra are hard and shiny.


  • Judicious shade regulation
  • Spraying of contact insecticide viz., quinalphos @2ml/lit



  • TamilNadu Agritech Portal
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