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