what is Insecticides  &   pesticides

Pesticides are substances or mixture of substances intended for preventing, destroying, repelling or mitigating any pest.It may be a chemical , biological agent, antimicrobial, disinfectant or device used against any pest including insects , plant pathogens , weeds, molluscs, microbes etc.

Insecticide is a pesticide used against insects . They include ovicides and larvicides used against the eggs and larvae of insects respectively. It used in agriculture, household etc.