Most Insects are exhibitionists. They move about and engage in their daily tasks of acquiring food, courting, and reproduction undaunted by the watchful Eyes of an observer. Over the span of human life on this planet people have almost certainly been fascinated and entertained by the activities of insects-what Child have never stopped to admire a passing Butterfly or sat and watched the coming and goings of a column of foraging ants? From such basic Observations we have gained considerable Insight into the Biology of insects, but only recently have we begun to integrate our Knowledge of behaviour, hormones, Physiology and Ecology into a more complete view. The present title Insect Biochemistry has been carefully compiled and edited to meet the long felt needs of increasingly Large number of those who have to deal with the different aspects of biology of Insects in colleges, universities and Research institutes.