Bondi Junction NSW, Australia
Fact Sheets
Potato tuber moth (298)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds


  • Worldwide distribution. On potato, tomato and tobacco, the main hosts. An important pest.
  • Eggs laid on leaves, and the leaves and stems mined. As soil cracks, larvae attack tubers near soil surface. Damage causes rots. Spread is in seed tubers.
  • Natural enemies: wasp parasitoids and parasites.
  • Cultural control: certified seed; remove volunteers; weeds; tolerant varieties; deep planting; test onion intercrops; hill-up; avoid overlapping crops; crop rotation; mulch before harvest; avoid cull piles.
  • Chemical control: sprays of abamectin, spinosad, or synthetic pyrethroids. Neem in storage.

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