Maple tree bugs have been furry since they were young.

According to the forest pest identification guide and prevention and control instructions, the maple tree bug has been a leaf-eating pest in the family Lepidoptera since childhood.

The head of the larvae is brown with brown spots.

The body is brownish-yellow with dark brown reticular spots.

There is a large brown tumor on each side of the back of the chest, with long brown, black and yellow hairs on it.