Tobacco cutworm

Tobacco cutworm: Spodoptera litura

Symptoms of damage:

  • Newly hatched larvae scrap the green matter in the leaf
  • Affected leaf looks like a papery white structure
  • Later instar larvae feed by making small holes
  • In severe infestations they feed voraciously on the entire lamina and petiole

Identification of pest:

  • Egg: Eggs are golden yellow, laid in masses and covered by silky hairs.
  • Larva: Are seen in groups, young caterpillars are light green with black head or black spots
  • Adult: Are brown in colour. Forewings are the brown colour with wavy white markings, hind wings are the white colour with a brown patch along the margin.


  • Plough the soil to expose and kill pupae
  • Castor as a trap crop
  • Set up pheromone trap @15/ha
  • Collect and destroy the egg masses, gregarious larvae and grown up caterpillars
  • Spray SINPV @ 1.5×1012 POB/ha in evening hour
  • Spray any one of the following insecticides
Insecticide Dose
Emamectin benzoate 5 % SG 4 g/10 lit.
Flubendiamide 20 WDG 6.0 g /10 lit.
Indoxacarb 14.5 % SC 6.5 ml/10 lit.
Novaluron 10 % EC 7.5 ml/10 lit.
Spinosad 45 % SC 3.2 ml/10 lit.
Thiodicarb 75 % WP 2.0 g/lit.



  • TamilNadu Agritech Portal
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