Petroleum ether leaf extract of Vitex negundo affected moulting, development and metamorphosis of Uzifly and induced various types of morphological abnormalities in Uzifly. The treated resultants of third instar Uzifly maggots, a few of them died during moulting, some of them developed into maggot-pupal and pupal-adult intermediates, abnormal pupae, abnormal adults and remaining treated third instar maggots developed into morphologically normal adults exhibiting reduced fecundity when compared to the controls. Petroleum ether leaf extract of Vitex negundo exhibited growth regulating activity on Uzifly. They affected pupal-adult transformation and produced intermediates along with deformed adults and also affected the inhibition of pupation and adult emergence. The leaf extract significantly reduced the number of adults being emerged when compared to the controls.

Keywords : Vitex negundo, Uzifly, Maggot-pupal, Pupal-adult, Abnormalities.