Silverfish consume matter that contains polysaccharides, such as starches and dextrin in adhesives These include book bindings, carpet, clothing, coffee, dandruff, glue, hair, some paints, paper, photos, plaster, food and sugar. They will damage wallpaper by consuming the paste. Other substances they may eat include cotton, dead insects, linen, and silk. Silverfish are considered household pests, due to their consumption and destruction of property. Schedule a free visit with your local silverfish exterminator today!