Bug Identifier
Silverfish
Community identification

Silverfish

Lepisma saccharinum

Order & Family
Order Zygentoma, Family Lepismatidae
Size
12–19 mm (0.5–0.75 inches) in length
See this bug in the Encyclopedia

Natural Habitat

Damp, dark, and cool environments such as basements, bathrooms, kitchens, and attics. Often found under sinks, in boxes, or behind wallpaper.

Diet & Feeding

Strictly carbohydrate-based materials including starches and dextrin. They eat book bindings, paper, photos, sugar, hair, dandruff, and certain synthetic fabrics.

Behavior Patterns

Nocturnal and extremely fast runners. They move with a shimmering, fish-like motion. They have a long lifespan (up to 8 years) and undergo ametabolous metamorphosis (nymphs look like small adults).

Risks & Benefits

They do not bite humans or transmit disease, but are considered household pests. Risks include damage to property (books, clothing, wallpaper). They are a food source for spiders and centipedes.