How to fight silverfish?
This is how you keep these unwelcome guests at bay!

Long, skinny, and shiny bugs, characterized by their tail and antennas. You rarely see them, yet they are there! Silverfish mostly appear during the night. Damaged books, wallpaper and clothes prove their presence.

You rather keep those silverfish outside of your house. Where do these shiny bugs come from? How can you prevent silverfish from coming into your house? And how can you drive the silverfish away if they are already there? Discover easy DIY solutions and the best tips to get rid of silverfish.

Are there different types of silverfish?

Yes, there are different types of silverfish, 120 species worldwide. The most common silverfish are the grey one (the common silverfish) and the one with a slightly browner shade (the long-tailed silverfish or paperfish). Both like humid places, though the one with the browner shade can also easily survive in dryer spots. Where the greyer one eats mostly mold and food scraps, the browner ones also love to eat books and clothes.

Where do silverfish come from?

The little bugs are light shy, so they like to hide in the darker places. Mostly at night they will leave their hiding places and appear to look for food. Silverfish easily crawl into the house through tiny gaps or cracks. You can also bring in silverfish yourself, without knowing. They often hide in moving boxes, books and clothes. It can be quite a challenge to keep these unwanted guests outside of your house!

What time of year do silverfish come out?

Silverfish love warmer temperatures. 24 degrees in combination with a high humidity level of 75% will offer silverfish ideal living circumstances. Houses and buildings with central heating are for silverfish the perfect place to settle in.

How fast do silverfish multiply?

Silverfish lay around 10 eggs each time, which will hatch within 8 weeks. The little ones look basically exactly like the mature silverfish, except that they are white and much smaller. Within 3 years they will mature. They shed their old skin every few months, and they will become darker each time. Some silverfish can even reach the age of 8 years.

Are silverfish dangerous to my health?

Silverfish are no direct threat to your health, but they do spread bacteria in kitchen cabinets and food. Often unnoticed, as they mostly appear at night. Silverfish can also cause a lot of damage to your books, wallpaper, and clothes. Unwanted house guests that you rather keep away.

4 tips for preventing silverfish and paperfish

Keeping silverfish outside is of course better than having to drive them away. With these simple actions you make sure that these unwanted guests don’t enter your house and settle in.

1. Keep the humidity level low

Try to keep the humidity level in your house low. For silverfish it’s challenging to survive in spaces where the humidity level is lower than 40%.

2. Close gaps and cracks

Check your house for small gaps and cracks and try to close them as much as you can. This way the tiny bugs can’t find safe hiding spaces behind wallpaper, in the floor or wall.

3. Store away food properly

Make sure that silverfish can’t reach food containing a lot of starch or carbohydrates. Store away food properly and make sure you keep the kitchen clean. Silverfish also love paper and natural fabrics. Make sure books, magazines and clothes are also being stored in a safe place.

4. Close off gaps and cracks

Silverfish love to travel. They crawl into moving boxes and hide in books and clothes. Before you move or bring secondhand books or clothes into the house, check if there are any silverfish in it. Clean out the boxes and use a vacuum cleaner to make sure you’re not bringing any unwanted visitors into your home.

3 ways to control your silverfish problem

Did you know that silverfish can live up to 300 days without eating? Getting rid of these little bugs might therefor seems like quite a challenge if not nearly impossible. Fortunately, there are several ways to effectively control silverfish – luckily also in a sustainable and safe way.

1. Make a DIY sticky trap for silverfish

You can quite easily make your own trap to catch silverfish. Cover some baking paper with honey and place it in a dark spot where the little bugs are often crawling around. The sticky trap attracts the silverfish, after which they will get stuck in the honey.

Pros

  • The DIY sticky trap is quite easy to make yourself

  • You don’t need to use any chemical substances

Cons

  • The self-made sticky trap can look rather unappetizing

  • The sticky trap will work, but isn’t 100% effective

2. Use a spray to get rid of silverfish

There are several sprays on the market to control silverfish. Use the spray in little gaps and cracks to kill the little bugs. Be aware that after using the spray you will have to ventilate your house thoroughly, and you will need to keep kids and pets at distance.

Cons

  • Sprays contain chemical substances that are harmful for the environment

  • The sprays can have a negative effect on the health of human and animals

  • You will only kill the bugs that are visible, most of them will crawl away

3. Use the sustainable sticky trap from Super Ninja

Super Ninja offers a very effective and sustainable sticky trap to catch silverfish. This trap is made of recycled carton and contains a glue with natural proteins. The trap only needs to be unfolded and be placed in a strategic spot. As it imitates a natural hiding place, the sticky trap will lure the silverfish right in. The glue with natural protein increases the effectiveness and will make sure that the silverfish get stuck and can’t get out.

PROS

  • Directly effective, immediate result

  • Easy to use and place, discretely out of sight

  • Sustainable and safe, for the environment, human and pets

Do you want to know more about the Super Ninja’s sticky trap for silverfish?

About Super Ninja - sustainable pest control

Super Ninja believes that sustainable and responsible pest control should be todays’ standard. Effective to remove nuisance, safe for people, pets, and the environment.

Due to a lack of sustainable pest control products and as a result of his own frustrations, in 2014, our founder Ferdinand developed our first product: the Fruit Fly Ninja.

While he was trapped at home with a knee injury - surrounded by fruit flies – he discovered how natural ingredients can be just as effective as chemical ones. Especially when combined into an innovative product design.

We find the best alternatives

We believe in the power of natural ingredients and innovative designs.

We respect the environment

We aim for a positive impact – without negative side effects.

We keep on developing

We continuously search for more – and only the best - pest control solutions.