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Crop Protection :: Storage insects and their management
Sweet Potato weevil: Cylas formicarius 

Host range: Sweet Potato: Potato
Symptoms of damage

  • Grubs and adults bore into tubers, field and storage.
  • Adult weevils feed on vines,  leaves

Identification of the pest

  • Egg - laid in cavities on vines or tubers
  • Pupate inside vine or tuber inside tuber
  • Adult- - Slender, antlike with long snout, shiny black with reddish brown thorax and leg
Symptoms Larva Weevil

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