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Crop Protection :: Storage insects and their management
Potato tuber moth: Pthorimaea operculella 

Host range: Potato: Potato
Symptoms of damage

  • Larvae mine into leaves or bore into tender shoots and developing tubers.
  • Rotting and foul smelling of damaged tubers
Symptom Larva Adult

Identification of the pest

  • Egg-laid singly on under surface of leaves and exposed tubers   
  • Larvae - Pale greenish
  • Pupa - silken cocoon among trash or ground or bags...
  • Adult - small dark brown moth with fringed wings; forewings grey brown with dark spots and hind wings dirty white.

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