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Crop Protection :: Cash Crop :: Pest of Cotton
  Leaf roller: Sylepta derogata

 Symptom of damage

  • Leaves rolled in the form of trumpets fastened by silken threads
  • Marginal portion of leaves eaten away
Rolled leaves
young Larva
Grown up larva
Leaf roller - Damage
   
Pupa
Adult

Identification Characters and Biology

  • Destructive stage: Larva
  • Eggs: White and laid on leaves. Egg period: 4-6 days.
  • Larva- Semi-translucent caterpillars. Bright green (glistening) with dark head.
  • Adult- Moth with yellow wings having brown wavy markings. Head and thorax have black dots; the abdomen has brown rings.

Integrated Management

  • Collection and destruction of dried plant parts.
  • Hand picking and destruction of grown up caterpillars.
 

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