• Defoliation in early stages
• Larva’s head alone thrust inside the pods and the rest of the body hanging out.
• Pods with round holes

Identification of the pest

• Eggs – are spherical in shape and creamy white in colour, laid singly
• 
  Larva - shows colour variation from greenish to brown. Green with dark brown grey lines laterally
• on the body with lateral white lines and also has dark and pale bands.
• 
  Pupa – brown in colour, occurs in soil, leaf, pod and crop debris
• 
  Adult - light pale brownish yellow stout moth. Fore wing grey to pale brown with V shaped speck.Hind wings are pale smoky white with a broad blackish outer margin. 

Management

• ETL: 10% of affected pods
• Pheromone traps for Helicoverpa armigera 12/ha
• Mechanical collection of grown up larva and blister beetle
• Ha NPV 3 x1012 POB/ha in 0.1% teepol
• Apply any one of the following insectcides:
• Azadirachtin 0.03%WSP 2500-5000 g/ha
• Bacillus thuringiensis serovar kurstaki (3a,3b,3c) 5%WP 1000-
  1250 g/ha
• Emamectin benzoate 5%SG 220 g/ha
• Indoxacarb 15.8%SC 333 ml/ha
• NPV of H. armigera 2% AS 250-500
• Quinalphos 25%EC 1400 ml/ha
• Spinosad 45%SC 125-162 ml/ha
• Phosalone 0.07%(Spray fluid 625 ml/ha)
  (Note : Insecticide / Ha NPV spray should be made when the larvae are upto third instar)