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Thysanura: Lepismatidae, Lepisma saccharina.

Silverfish are small primitive insects that are found in dark, damp, warm places throughout our homes. They prefer starchy materials such as cereals, wallpaper and book bindings as food but in large populations they may do damage to cotton and linen fabrics. They are especially attracted to paper and damp clothing. Commonly found in stored boxes in garages and sheds. Silverfish feed on carbohydrates, particularly sugars and starches. Cellulose, shampoos, glue in books, linen, silk and dead insects may be food sources. Some experts classify silverfish as most destructive pest of stored food.  Silverfish have even been found in unopened food packages.