Symptom of damage

• Drying and drooping of terminal shoots during pre-flowering stage
• Shedding of squares and young bolls
• Flaring up of bracts during square and young boll formation stage
• Holes on bolls and rotting of bolls

Identification of the pest: E. vitella

• Larva- Brownish with white streaks dorsally and pale yellow ventrally, Without finger shaped processes

Adult

• Small buff coloured
• Forewings are pea green with a wedge shaped white band running from base to out margin

Identification of the pest: E. insulana

• Larva- Brown with dorsum showing a white median longitudinal streak. The last two thoracic segments and all the abdominal segments have two pairs of fleshy tubercles (finger shaped processes) one dorsal and the other lateral

• Pupa - Brown and boat shaped

• Adult - Small buff coloured. Forewings are uniformly silvery green
  

Management

• ETL: 10% infested shoots / squares / bolls

  • Spraying any one of the following insecticides
  • Carbaryl 5% DP 20 kg/ha
  • Chlorantraniliprole 18.5% SC 150 ml/ha
  • Flubendiamide 39.35% SC 100-125 ml/ha
  • Indoxacarb 14.5% SC 500 ml/ha
  • Phosalone 35% EC 1714ml/ha
  • Profenofos 50% EC 1500-2000 ml/ha
  • Triazophos 40% EC 1500-2000 ml/ha
    

Biological control:

• Bacillus thuringiensisserovarkurstaki (3a, 3b, 3c) 5%WP 750- 1000 g/ha