Bondi Junction NSW, Australia
Fact Sheets
Western flower thrips (183)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds


  • Worldwide distribution. On more than 250 plants in 65 families; these include: soft fruit (plums, peaches, strawberries, grapes); flowers (Gladiolus, Impatiens, Gerbera, Chrysanthemum, poinsettia); vegetables (cucumber, tomato, capsicum, cabbages, beans), and wild flowers. An important pest.
  • Eggs laid in flowers or leaves; nymphs and adults cause distortions, spots and silvering, and spread viruses (e.g., Tomato spotted wilt virus).
  • Spread by short flights, and by the plant trade.
  • Cultural control: check seedlings in nurseries – if necessary, use thrips-grade screen; 10 m grass strips around nurseries; avoid planting new crops near old; weed; use yellow or blue sticky traps to monitor thrips; rogue plants with virus; collect and burn trash after harvest; crop rotation.
  • Chemical control: soap, white or horticultural oils, neem or spinosad; note, thrips has resistance to many synthetic pesticides.

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