1. Whitefly

1.Whitefly - Trialeurodes ricini Misra. ( Aleyrodidae : Hemiptera)

    Damage
    • Water soaked spots on the leaves which become yellow and dried.
    • Colonies of whitefly on the under surface of leaves.
    Bionomics
    • The adults are pale yellow with white wings covered with waxy powder.
    • It lays eggs in clusters on the under surface of leaves. Nymphal stage undergoes four instars.
    • The life cycle is completed in 19-20 days during July-September.

Last modified: Saturday, 4 February 2012, 5:49 PM