The book is bound to serve as a ready reckoner of Insect Toxicology. It incorporates all the possible details of insect toxicology required to be known, which should be know and which are expected to be known in times to come. Starting from what is toxicology, its principles and scops , it explains in a simple and lucid language the bioassy techniques, structure, mode of action and metabolism of insecticides, selectivity resistence and insecticidal pollution of our biospher. It deals with the techniques of residue analysis along with an exhaustive coverage of insecticidal poisoning and their treatment. It runs in eleven chapters and besides covering all the aspects of current curricula of conventional and Agricultural University of our country envisages to explain many more toxicologies intricacies which are not easily available to the students of insect available to the students of insect toxicology.