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Learn Economic Entomology with Rahul
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Pink borer (Sesamia inferens , Noctuidae , Lepidipteran)

  • Polyphagous pest (rice, maize,w heat, and other crop)
  • Out of the,m wheat is the major host

Damaging stae :- larvae

Damaging symptoms:- dead heart at the vegetative stage and white head at the reproductive stage.

Identification

  • Egg:- creamy white sp herical egg
  • Larvae – pinkish brown with a pink head
  • Pupa:- brown in color  pupation ococcursn the stem of the plant
  • Adult:- straw color forewing with dark brown longitudinal streak and hind wings are white in color.

Management

  • Trichogramma chilonsis (egg parasitoid)
  • Bacillus thuringenesis (dipel, biolep)@3g/l at evening hr 
  • Napier grass/elephant grass as a catch crop
  • Sudan grgrass–traprop
  • Sliver lea (Desmodium uncinatum)-commercial legumes when intercropped with maize, repel ovipositing stem borer.

 

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