Bug Identifier
Silverfish
Community identification

Silverfish

Lepisma saccharina

Order & Family
Zygentoma, Lepismatidae
Size
10-19 mm (0.4-0.75 inches)
See this bug in the Encyclopedia

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.