The unicorn fairy, also known as the double forked rhinoceros beetle, also known as the pocket worm, has a large and powerful body, and its larvae are also known as the chicken mother worm (grub). Unicorn immortals are more common in some parts of China, and their large numbers may pose a threat to forests. In terms of usage, the unicorn fairy can be used for ornamental purposes, is a common pet, and has high medicinal value.2008In, researchers found that under different conditions, unicorn fairies would change color, which has implications for the study of smart materials.