ICAR-Directorate of Cashew Research, Puttur - 574 202, Karnataka, India
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Bark eating caterpillar

Bark eating caterpillar:

Indarbela tetraonis Moore (Arbelidae: Lepidoptera)


Pest appearance:

Larva appears blackish making tunnels on the stem and branches.


Symptoms of damage:

  • The caterpillars make a small residential hole on the wood normally where the branches fork and from there make superficial galleries inside which they feed on the tissues.
  • The presence of winding galleries on the bark made of powdered bark, faecal pellets and silk webbed together indicates this pest attack.
  • Feeding damage of cambial tissues of small branches by this larva results in drying up of those branches.

Damage by bark eating caterpillar