There is a man abroad who came to his grandmother's house as a guest on the weekend, after dinner the man came to the woods not far from home for a walk, accidentally saw the huge tree in the forest in front of him with some huge "fingerprints", which looked dense, every stout tree had it, the man was curious, was this a work of art made by the locals? So he prepared to go up and find out.

The man then slowly stepped forward, and he found that these things seemed to have been artificially pasted on the tree, because they looked very neat, and even when he approached, he could faintly smell a musk smell of the comparison list, and the man wondered if there was any scented tree here?
Just when he stepped forward to touch these "fingerprints" with his hands, he was surprised to find that these were actually made up of some bugs, which were neatly arranged together to form a circle, looking like human fingerprints. Some bugs were still squirming, and when the man saw this scene, he was so frightened that he pulled out his leg and ran away!
What kind of caterpillar is this, so strange, and can be neatly sorted, in order to answer the doubts in his heart, the man specially asked the local residents. Originally it was a worm called the red-spotted musk butterfly, but now all you see is its cubs.
According to local residents: the larvae of the red-spotted musk butterfly are gregarious, so they like to gather together, so they will form the above look, the red-spotted musk butterfly larvae generally live on the back of the plant leaves, and when they grow up, they will gradually dissolve.
The hindwings of this butterfly have red markings and are very beautiful. Their larvae are not good-looking, and prefer to rest on the leaf back of the host plant, feeding or moving in groups. Although it is known that they will be beautiful when they grow up, it is still a tingling sensation to see so many larvae gathered together.
If the ugly duckling becomes a swan, the appearance at first looks ugly, in fact, after the transformation will be renewed, people will always be habitually confused by the first glance, in fact, all this is just a process, people who care about the result often do not care about the process, people who care about the process can not see the result.