What do you mean there are moths in ancient books?

Moths in ancient books are bookworms, referring to people who read blindly.

For example, Zhu Guangqian's Literature, Imagination and Realism: "Many bookworms read thousands of books, but they can't write a book worthy of literary works."

Moths are small in size, generally 2-3mm in length. Most of them overwinter as larvae for one year, pupate in the following spring, and pupate into adults in April and May. Adults lay eggs after mating, and larvae that hatch in about 15 days are harmful to wood or fur. They are important pests in agriculture, forestry, wood decoration, furniture, wood carving, Buddha statue and leather clothing.

Extended data:

Moths have stronger hunger tolerance than other insects. Even in the case of complete lack of food, many species can still hibernate and semi-hibernate in different insect States, such as bamboo borer, mealybug, longicorn beetle and so on. But once the food supply is restored, when other conditions are suitable, it will move quickly and normally, causing rampant harm.

Moth-eating pests like dark and quiet living environment, especially afraid of vibration. As soon as they waver, they will run away at once. Some insect species also have the habit of pretending to be dead to escape from inappropriate environment. Once they recover, their lives will return to normal.