Crops: Cotton Insect Pests

White flies -Bemesia tabaci (Aleyrodidae : Homoptera)

  • Highly polyphagous.
  • Nymphs are oval, scale like and remain attached to the leaf surface .
  • Adults are tiny, moth-like with yellowish body and wings coated with milky white waxy powder
  • Nymphs and adults suck sap usually from the undersurface of the leaves and excrete honey dew.
  • Leaves show a uniform bronzing and get coated with sooty mold.
  • Vegetative growth is retarded, boll formation hampered
  • Severe infestation after boll bursting makes the lint sticky due to deposition of honey dew. It also transmits the leaf curl virus.
  • Temperatures around 30 ”ĘC and high humid situations helps multiplication of the est.
Cotton Rice Tomato Chilli Cucurbits