Adult webbing clothing moths are ¼ of an inch long, and they are buff-colored. The hair on their head is gold in color. Webbing clothing moths at the larvae stage are creamy-white, and they have a brown head. The eggs of webbing clothing moths are ivory in color, and the shape of an oval.

Casemaking clothing moth eggs are a whitish color. The larvae of casemaking clothing moths are creamy white and pale yellow, along with a dark brown head. Adult casemaking moths have dark wings – the insects have three dark dots in their forewings; the head of these pests is grayish brown in color.