Why Silverfish Invade Baltimore Homes

April 15, 2021


Don’t be fooled by their name, silverfish aren’t actually a fish. They’re a small insect measuring approximately ¾ inch named for their silvery metallic outer shell and their slithering fish-like movements. Though not viewed as a tremendous threat to human health, as they don’t bite, homeowners want to avoid an infestation due to the damage they cause. Oftentimes, silverfish will destroy paper products such as books and wallpaper, clothing, and pantry items like flour and oats. Today, we're going to discuss how silverfish invade the home, how to prevent them, and how to know if there’s an issue.

silverfish on cardboard box

How Silverfish Enter Your Home

Silverfish enter the home seeking one goal: moisture. And as adept climbers, they don’t have a hard time getting in. They commonly enter the home through roofs, crawl spaces, tight cracks, or vulnerable foundations. Shake roofs in particular provide silverfish with almost everything they desire: starch, dead insects, and, of course, moisture. Once they’ve made it this far, entrance to the rest of the house via insulation is just a hop, skip, and a jump away. While they are primarily looking for moisture, keep an eye out for silverfish throughout your home. They most commonly dwell in basements, but they will also frequent living rooms, bedrooms, attics, garages, and bathrooms. 

Preventing Silverfish In Your Baltimore Home

As previously mentioned, silverfish do not pose any immediate threat to human health. That said, the structural damage and attraction of other pests that an infestation can lead to should be avoided at all costs. Silverfish are a nimble and determined bunch, so homeowners should look to the following advice:

  • Since silverfish are primarily seeking somewhere wet, a homeowner’s priority is to correct any moisture or humidity issues in or around their property.

  • These insects are devious as squiggling through cracks so sealing up any potential entry points is crucial. 

  • In basements, caulk baseboards to prevent entry points. 

  • If a silverfish is satisfied with their food source, they will not leave it. Carefully store any starchy foods in airtight containers. They like flours and oats and proteins like beef jerky. 

  • Open vents in crawl spaces to allow for aeration and dehumidification. 

  • Insecticides and traps sold over the counter or holistic tricks like cinnamon may be helpful to repel silverfish, but it will not kill their eggs. 

In the end, if you're dealing with silverfish in your Baltimore home, it's best to reach out to a professional. Our experts at Destroy Pest Control will come up with a comprehensive plan to destroy your current silverfish population, including eggs, and implement preventative measures in place to keep them from coming back. 

How To Know If You Have A Silverfish Infestation

Silverfish tend to hide from humans, so it is often the case that homeowners have an infestation and aren’t even aware of it. They breed very quickly, which means that silverfish can grow their numbers at an exponential rate. Due to their sneaky tendencies, you may have a developing problem without even realizing it. Signs of a true problem are:

  • Finding one silverfish because where there is one, there may be many.

  • Abnormal amount of ware to paper items in the home.

  • Piles of fecal matter that resemble pepper grinds.

  • Locating yellow stains.

  • Feeding marks if there has been a presence of silverfish.

To fully destroy and repair a silverfish infestation, homeowners need to address both the individual insects and their eggs, which is something that only a skilled team can plan and execute. For more advice and assistance on your silverfish dilemma, contact the professionals at Destroy Pest Control today!




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