Insect Pests of Fruit, Plantation, Medicinal & Aromatic Crops (2+1)

4. Leaf roller

4. Leaf roller - Phycodes radiata Ochs and P. minor Moore. (Glyphipterygidae : Lepidoptera)

Damage

• The caterpillar rolls the leaf and feeds within.
Bionomics

• The adult moth is greyish brown in colour.
• The eggs are laid singly or in batches of 2-15 on either side of leaves.
• The egg period is 4-6 days. The caterpillar of F. radiata is yellowish-white with a dark stripe on each side, while the caterpillar F. minor is light green with yellow shiny head.
  
• The larval period is 30-35 days.
  
• It pupates within the leaf fold for 8 - 10 days.