
Silverfish
Lepisma saccharina
- Order & Family
- Zygentoma, Lepismatidae
- Size
- 10-19 mm (0.4-0.75 inches)
Natural Habitat
Damp, dark places such as bathrooms, basements, attics, and kitchens; can also be found in books, papers, and cardboard boxes.
Diet & Feeding
Sugary and starchy materials, including carbohydrates like dextrin (used in adhesives), paper, books, photos, plaster, glue, sugar, hair, dandruff, and sometimes other dead insects.
Behavior Patterns
Nocturnal and reclusive, silverfish are wingless insects that move quickly in a fish-like, wiggling motion. They are long-lived for an insect, some living up to 3 years or more. They thrive in high humidity and are often found in areas that offer both moisture and food sources.
Risks & Benefits
Potential risks include damage to personal belongings such as books, documents, wallpaper, and clothing fabrics. They do not bite, spread disease, or pose any direct health risk to humans or pets. They have no known significant benefits to humans or the ecosystem, generally considered a household pest.