Keyou 9 protein worm is also called barley worm, also known as super wheat skin worm or super bread worm, high protein worm. It is an insect of COLEOPTERA and Tenebrionidae. Protein worm is a new breed introduced from South America and Southeast Asia in China in recent years. The maximum length of mature larvae of protein worm is about 6 to 7cm, and its nutritional value is far beyond that of other insects in similar subjects.