Greenhouse whitefly

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Greenhouse whitefly
Whitefly.jpg
Greenhouse Whitefly on the underside of a leaf
Scientific Classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Suborder: Homoptera
Family: Aleyrodidae
Genus: Trialeurodes
Species: Trialeurodes vaporariorum
Synonyms
Greenhouse Whitefly
Glasshouse Whitefly

Whitefly, comprising only the family Aleyrodidae, are small hemipterans. More than 1550 species have been described. Greenhouse Whitefly or Glasshouse Whitefly (Trialeurodes vaporarior) typically feed on tomato leaves and fruit.

Identifying Features[edit]

Leaves become pale and curled, foliage and fruit become sticky where black mould then grows disfiguring the surface.

Treatment[edit]

Chemical[edit]

Spray with:

  • Deltamethrin (Bayer Sprayday Greenfly Killer)
  • Lambda cyhalothrin (Westland Plant Rescue Fruit & Vegetable Bug Killer)
  • Plant extracts (Growing Success Fruit & Veg Bug Killer, Growing Success Greenhouse Whitefly Killer or Agralan Whitefly Killer)
  • Plant oils (Vitax 2 in 1 Organic Pest and Disease Control
  • Scotts Bug Clear for Fruit & Veg)
  • Fatty acids (Doff Greenfly and Blackfly Killer, Bayer Organic Pest Control
  • Greenfingers Organic Pest Spray) or urea/mineral lattice (SB Plant Invigorator)

for established infestations. Resistance to deltamethrin and lambda cyhalothrin can occur.

Prevention[edit]

Hang yellow flycatcher cards above plants.

Examples[edit]

See Also[edit]