Bio larvicide contains Bacillus Thuringiensis Var Kurustaki which is found promising against a number of lepidopterous larvae. It is a gram positive, soil-dwelling bacterium, commonly used as a biological pesticide.
It is effective against all lepidopteorus larvae like helicoverpa, spodoptera, brinjal fruit borer, diamond black moth, cotton bollworms, cutworms, leaf webber, semilooper, looper, stem borer and fruit borer, etc..,
Mode of action: when spraying on the larvae, it paralyzes the digestive tract and causes death of the larvae.