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Crop Protection : Pest of paddy

Rice skipper: Pelopidas mathias

Symptom of damage:

  • Edges of the leaves are fastened with webbing
  • Backward rolling of leaves
  • Larva feeds from margin to inwards

Identification of Pest:

  • Eggs: are white or pale yellow and spherical. They are pearl-like in appearance.
  • Larva: Larva is green, grown up larva is robust, yellowish green with four white dorsal stripes, smooth with a constricted neck and red ‘V’ mark on the distinct head
  • Pupa: Light green with tapering ends
  • Adult: Dark brown skipper butterfly with two white spots on the wings.

Management:

  • Parasitoids and predators usually control skippers in nature in the field.
  • Eggs of rice skippers are parasitized by small wasps. The orb-web spiders feed on the adults during flight.
  • A nuclear polyhedrosis virus also infects skipper larvae.
  • Drain the water and spray chlorpyriphos 20 EC 500 ml/ac.
Transverse Folding of leaves
Larva Adult
 

 

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