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Earwigs vs. silverfish – what’s the difference?

What is the difference between earwigs and silverfish?

Quick comparison: Earwigs vs silverfish

  • Earwigs and silverfish are both nuisance pests, not dangerous ones.
  • Earwigs are larger, with visible pincers at the tail end.
  • Silverfish are smaller, silvery, and shaped like teardrops.
  • Earwigs crawl and can fly short distances when startled.
  • Silverfish move quickly in a fast, wriggling motion.

The difference between earwigs and silverfish

Earwigs and silverfish are often lumped together as creepy household bugs, but they're not the same thing. Both fall under what we call occasional invaders, seasonal pests that usually live outdoors but wander in when conditions push them inside. Our experts can help identify which one you're dealing with and address the conditions drawing them in.

Earwigs

Despite their intimidating look, earwigs are more startling than dangerous.

  • Appearance - Earwigs are reddish-brown, about 5/8 to 1 inch long, with a pair of pincer-like appendages at the rear.
  • Habitat - They favor damp, dark spots outdoors, like mulch, woodpiles, and under stones, but wander indoors through gaps and cracks.
  • Behavior - Earwigs are nocturnal and hide during the day in cool, moist areas such as basements and bathrooms.
  • Risks - Their pincers look worse than they are. Earwigs rarely bite, and any pinch is usually harmless.

Silverfish

Quick and elusive, silverfish are a common sight in damp corners of the home.

  • Appearance - Silverfish are silvery-gray, about 1/2 to 3/4 of an inch long, with a tapered, teardrop-shaped body and long antennae.
  • Habitat - They thrive in humid areas like bathrooms, basements, and attics, often near paper, books, or fabric.
  • Behavior - Silverfish are nocturnal and move in fast, side-to-side wriggles when disturbed.
  • Risks - They don't bite or spread disease, but they can damage books, wallpaper, and stored fabrics over time.

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 Signs of an earwig and silverfish infestation

Both pests tend to show up in similar places, but a few clues can help tell them apart. Earwig sightings often cluster near damp mulch, doorframes, or basements, sometimes with small pincer marks left on soft fruit outdoors. Silverfish leave behind yellowish stains, tiny pepper-like droppings, or irregular holes in paper and fabric.

Spotting either pest at night, when they're most active, is also common. If you’re unsure about what you’re seeing, we’ll come and identify the pest and the conditions that are attracting them.

Earwig and silverfish prevention tips

Since both pests are drawn to moisture, reducing damp conditions is the best place to start. Fix leaking pipes, run a dehumidifier in basements or bathrooms, and improve ventilation in humid areas.

Sealing entry points also helps keep both pests out. Caulk gaps around doors and windows, and store paper, cardboard, and fabric items off the floor. For ongoing protection against earwigs, silverfish, and dozens of other common pests, our PestFree365 plans offer year-round coverage and regular visits from a local technician.¹

Our local technicians know what attracts occasional invaders like silverfish and earwigs, and how to keep them out.

¹Treatments and Covered Pests defined in your Plan. Limitations apply. See Plan for details

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