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Slinking Silverfish: How to Rid Your New Castle Home of These Creepy Crawlies

September 25, 2019

a couple of silver fish crawling through a woven laundry basket in a new castle pennsylvania home

The first time you see a silverfish sitting in your laundry basket or slinking across your bathroom floor you might have a mild panic attack. These odd-looking silver-colored pests are small, usually a ¼ inch to a ½ inch in length, and shaped like a paisley pattern with a wider oval head narrowing down to a skinny hind end with several pairs of legs and antenna. Silverfish move like a fish but on dry land. They scurry fast and can disappear as quickly as they appeared, leaving you scratching your head as to what you just saw.

Silverfish are attracted to moisture. Therefore, you will most likely see them in laundry rooms, bathrooms and in areas that are damp or have leaks such as in sinks, under sinks, around pipes, in wet basements, or in crawl spaces. If your teenagers are prone to throwing wet towels on their bedroom floors, don’t be surprised if you find silverfish hiding out under them.


DIY Efforts To Keep Silverfish Away

  • Silverfish can slip through very tiny cracks so it doesn’t take much for them to get inside your home. Examine the outside of your foundation and walls and seal up any gaps you find.

  • Make sure you don’t have leaking hoses or clogged gutters causing water to pool around your foundation.  

  • Trim back vegetation around the perimeter of your home so that the air and sunshine can get in and dry things out.

  • Keep your home dry and avoid too much humidity. Use fans and/or dehumidifiers to keep moisture levels down.

  • Fix leaky faucets and leaky pipes to keep things dry.

  • Turn on the exhaust fan each time you take a bath or shower.

  • Don’t leave wet clothing on the floor or sitting in the washing machine. Silverfish will invade your laundry if you leave it damp in the washer.


Silverfish are nocturnal so you may not see them until you get up to use the restroom at night or switch over that forgotten load of laundry. During the day they may hide in closets or inside cabinets where it is dark and sheltered.

While silverfish aren’t harmful, their presence can indicate other potential pest problems. If silverfish or other pests have made themselves known in your New Castle home, contact Moyer Pest Control today. 

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