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Leaf eating caterpillar: Spodoptera litura

Symptoms of damage:

  • Young larva scrap leaves on ventral surface
  • Grownups defoliate crops


Larval feeding Scrabbing Foliar damage Flower damage

Identification of pest:

  • Egg: Masses appear golden brown
  • Larva: Pale greenish with dark markings, gregarious in the early stages
  • Adult: Brownish in colour, Forewings are brown colour with wavy white marking, Hind wings are white colour with a brown patch along the margin

Management:

  • Grow castor as trap crop. Collect and destroy egg masses and early instar larvae
  • Set up pheromone traps @ 12/ha.
  • Spray SlNPV 1.5 x 1012 POBs/ha
  • Spray Azadirachtin 1.0 % EC (10000 ppm) 2.0 ml/ lit. or apply Bacillus thuringiensis 2g/lit. during evening hours.
  • Plough the soil to expose and kill the pupae
  • Grow castor along border and irrigation channel as trap crop
  • Set up light trap @1/ha
  • Pheromone traps (Pherodin SL) @15/ ha to attract male moths
  • Collect and destroy egg masses in castor and tomato
  • Hand pick grown up larvae and kill them
  • Spray Sl NPV @ 1.5 X 1012 POBs / ha+2.5 Kg crude sugar+0.1 % teepol
  • Poison bait: Rice bran 5 Kg + Molasses or Brown sugar 500g + Carbaryl 50 WP 500g+ 3lit of water/ha. Mix the ingredients well and are kept around the field in the evening hours
  • Spray chlorpyriphos 20 EC 2 lit/ha or dichlorovos 76 WSC 1 lit/ha

 

Larva Adult
Updated on October, 2022

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