Famous scientist of Kazakhstan Professor P.I. Marikovsky constantly pleases readers with books about insects. Almost always, his stories are the discovery of new things. And this time before you is a narrative of how nature has reasonably taken care of: man and insects exist side by side as part of Earth's organic life. What is their relationship? These are friends and enemies: we fight insect pests and use useful ones. We are pleased with the beauty of this world and are attracted by its secrets. The complex structure of insect organs, the harmony of life of some species attract the attention of biologists, physicists, and designers, who, through knowledge of their life, go to the discoveries of analogues in medicine, technology, architecture, and art.