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Warning! If you have found this insect (silverfish) in your home, it’s a sign that you need to…see more…

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Food sources left open

Step 2: Reduce Humidity

Silverfish need moisture to survive. If you dry out your home, you’ll make it uninhabitable for them.

Use a dehumidifier in damp areas

Ventilate bathrooms after showers

Fix any leaks promptly

Improve airflow in basements and attics

Step 3: Remove Food Sources

Silverfish eat paper, glue, and starch. Deny them access.

Store paper, books, and cardboard in sealed plastic containers

Keep pantry foods in airtight containers

Clean up crumbs and food spills immediately

Vacuum regularly, especially in corners and baseboards

Step 4: Seal Entry Points

Prevent them from coming in.

Caulk cracks and gaps around windows, doors, and foundations

Install door sweeps on exterior doors

Seal gaps around pipes and utility lines

Step 5: Use Traps and Deterrents

Silverfish don’t like certain scents. You can use natural repellents like:

Cedar shavings: Place in drawers, closets, and bookcases

Diatomaceous earth: Sprinkle food-grade DE in corners and cracks—it dehydrates and kills insects

Lavender, cinnamon, or citrus oils: Silverfish hate strong scents

Sticky traps: Place in areas where you’ve seen activity

Step 6: Chemical Treatments (If Needed)

If natural methods don’t work, you can try:

Insecticides: Sprays containing pyrethrin or permethrin

Boric acid: Dust into cracks and crevices (keep away from pets and children)

Professional pest control: If the infestation is severe

Preventing Future Infestations

Once you’ve cleared them out, keep them from coming back:

Reduce humidity year-round

Declutter regularly

Store items in plastic, not cardboard

Inspect secondhand items before bringing them into your home

Maintain a regular cleaning schedule

A Note on Silverfish vs. Firebrats
People often confuse silverfish with firebrats. Both are similar in appearance, but there are differences:

Silverfish

Firebrat

Silvery-gray color

Brownish or mottled gray

Prefers cool, damp areas (bathrooms, basements)

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