There is a kind of bug that eats wood. More common in wooden windows and doors, white and fat. Make a creak when biting wood. What kind of bug is this?

It should be the larva of beetles such as longicorn beetles. Generally, they lie down during the day and come out at night, and they like to be quiet. They like to chew wood in the dead of night Their heads and chests are slightly flat, and their limbs and claws are short hooks. Their heads are small, and they have a pair of very powerful jaws, which are yellowish. Because the larval stage of some species is very long, many larvae have been made into furniture before they hatch completely, which makes many people very upset, ignore it and even lose sleep.