Symptoms of damage:

• Young larvae initially mine into the leaflets, feed on the mesophyll and form small brown blotches on the leaf
• Later stages larvae web the leaflets together and feed on them, remaining within the folds
• Severely attacked field looks "burnt" from a distance

Identification of the pest:

• Eggs: Shiny white and are laid singly on the underside of the leaflets.
• Larvae: Green in colour with dark head and prothroax
• Adult: Brownish grey moth, 6 mm long with 10 mm wing span. Forewings with white spot on the costal margin

Management:

ETL: 1 larvae/meter row

• Set up light traps @12/ha
• Apply anyone of the following insecticides
  • Dimethiate 30 EC 660 ml/ha
  • Malathion 50 EC 1.25 l/ha
  • Methyl demeton 25% EC 1000 ml/ha