Silverfish Identification & Prevention

What are silverfish?

Silverfish belong to the order Thysanura, and are commonly referred to as “bristletails” because of the three tail-like structures that extend off the last segment of their abdomens. Their teardrop-shaped bodies are covered in silver, metallic scales. An adult silverfish grows to around 3/4 of an inch long, not including its tail, and its antennae are as long its body. You can identify these insects by the wriggling, fish-like manner in which they scurry from place to place.

a silverfish on a rock

Are silverfish dangerous?

Silverfish are mainly nuisance pests but are capable of causing some damage to our personal property and contaminating food when they find their way into our homes. Preferring to feed on carbohydrates that are high in sugar and starches, silverfish feed on cereals, dry pasta, potatoes, shampoo, books, papers, wallpaper, human hair, and other dead insects.

Why do I have a silverfish problem?

Outside, silverfish inhabit damp, dark areas. The soil and mulch that surrounds our homes make perfect habitats for these wriggling creatures. Due to the silverfish’s high moisture needs, if the weather outside becomes too hot or dry, they look to move indoors, seeking a cool, damp environment. They will find entry points in the foundation and spaces under doors, especially basement doors. Another way that these creatures find their way into our homes is in things like potted plants, storage boxes, and delivery boxes.

Where will I find silverfish?

When living inside a structure, silverfish seek out an area that mimics their outdoor environment. They choose damp, dark areas that are close to potential food sources. Basements, crawlspaces, laundry rooms, and underneath sinks in kitchens and bathrooms are all places you may find silverfish.

How do I get rid of silverfish?

Get rid of earwigs with the help of the professionals at Premier Pest Control. Our professionals go above and beyond to meet the needs of all our customers. Trust our customized pest control services to eliminate current pest problems and prevent them from returning.

We are a local, family-owned company dedicated to exceeding expectations and treating every home like it’s our own. To learn more about protecting your Iron County, Washington County, or Beaver County, Utah home or business from silverfish, reach out to Premier Pest Control today!

How can I prevent silverfish in the future?

Prevent problems with silverfish the easy way by partnering with Premier Pest Control! It is also important to implement the following prevention tips to avoid issues with silverfish:

  • Use caulk to repair cracks in the foundation and exterior walls of your home.

  • Install door sweeps on exterior doors – especially basement doors.

  • Leave a barrier between any mulch or soil and your home’s foundation.

  • Use a dehumidifier to keep the basement dry.

  • Ventilate your crawlspaces.

  • Fix leaky pipes or dripping faucets.

  • Vacuum your home to pick up dust, hair, and other debris.

  • Store your dry good in containers with airtight lids.


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