Bondi Junction NSW, Australia
Fact Sheets
Tropical leatherleaf slug (475)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds


  • Restricted distribution. In Australia, American Samoa, Fiji, French Polynesia, New Caledonia, Papua New Guinea, Samoa, Vanuatu.
  • Serious pest of vegetable seedlings and forestry species.
  • Dark leathery body with pimples (70-80mm long) when moving, otherwise round, with characteristic yellow line along back, and narrow (4-5mm wide) foot. Mantle covers most of body. Occurs from lowlands to high forest. Adapted to dry areas.
  • Spread: small distances gliding on mucus; longer distances associated with local and international horticultural trade.
  • Biosecurity: considered potentially serious risk to agriculture (USA). Also, host of rat lungworm.
  • Natural enemies: do NOT introduce predatory snails or flatworms.
  • Cultural control: bands of sand or eggshells around small plots; collect by hand; use beer traps.
  • Chemical control: metaldehyde pellets (check local regulations - potentially harmful to native birds and animals). Alternately, iron phosphate or sodium ferric EDTA. Indian runner ducks – they love slugs and snails!

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