Author(s): M. Madhavi and S. Sabita Raja
Corcyra cephalonica is a menace to agricultural crop produces infesting cereals, and many other food products, hence an attempt was made to control the stored products pest by using medicinal plant extract Vitex negundo. The protein content in the haemolymph increased gradually in the larvae, pupae and the adults of C. cephalonica, whereas in the V. negundo treated resultant larvae there was a prominent decrease in the protein content when compared with the controls.