Silverfish are small, wingless insects known for their silvery color and swift, wriggling movement. Though harmless to humans, they are unwelcome pests in homes, especially in humid areas like bathrooms, basements, kitchens, and laundry rooms. These ancient insects measure about 1½ inches long, have flat, carrot-shaped bodies, and long antennae.
Silverfish thrive in moist, dark environments and feed on starchy or sugary substances such as paper, glue, cardboard, fabrics, crumbs, and even dandruff. This makes stored books, clothing, wallpaper paste, and pantry goods vulnerable to damage. While they don’t bite or carry disease, their feeding habits can destroy valuable household items.
Infestations often go unnoticed until signs appear. These include seeing the bugs, yellow stains or holes in paper and fabric, shed skins, tiny black droppings, and peeling wallpaper. Early detection is key to preventing a widespread problem.
To eliminate silverfish, reduce humidity with dehumidifiers and increase airflow. Clean regularly, store food and materials in sealed containers, and declutter damp areas. Seal cracks and gaps where they may hide. Natural remedies like diatomaceous earth, cedar, or citrus-based essential oils can repel them. Sticky traps may also catch some. For severe infestations, professional pest control is recommended.
Preventing silverfish from returning involves maintaining a clean, dry home. Regular cleaning, proper storage, and controlling moisture levels are essential. With consistency, homeowners can keep silverfish from becoming long-term residents.