Updated: April 3, 2025

Earwigs are one of those insects that often elicit a sense of unease in homeowners. With their elongated bodies and pincers, they can appear intimidating, even though they are generally harmless to humans. Despite their somewhat fearsome appearance, many people wonder why these creatures have made their way into their homes and what can be done to keep them at bay. In this article, we will explore the causes behind earwig infestations and provide practical solutions to manage this unwelcome guest.

Understanding Earwigs

Earwigs belong to the order Dermaptera, which consists of over 2,000 species worldwide. Their name derives from an old myth that these insects crawl into human ears while sleeping, although this is entirely unfounded. Typically, earwigs are brown or black and range in size from 5 to 25 millimeters in length. They are nocturnal creatures, preferring to hide during the day in damp, dark areas and venture out at night in search of food.

Diet and Habitat

Earwigs are omnivorous and primarily feed on decaying organic material, as well as living plants and other small insects. This diet makes them beneficial for gardens but also means they can become pests when they enter homes. Their preferred habitats include gardens, compost heaps, and areas with high moisture levels.

Why Are There Earwigs in My House?

Understanding why earwigs invade your home is the first step towards effective management. Several factors can attract these insects indoors:

1. Moisture

Earwigs thrive in damp environments. If your home has leaks, high humidity, or poor ventilation, it can create an inviting habitat for these pests. Bathrooms, basements, and kitchens are common areas where moisture levels may be elevated.

2. Shelter

Earwigs seek out dark places to hide during the day. Cracks, crevices, and cluttered areas within your home can provide perfect shelters. Piles of newspapers, laundry, or other storage items may give them ample opportunities to hide.

3. Food Sources

If there are food sources available—such as decaying plant matter or even crumbs left on counters—earwigs may find their way inside searching for a meal. Gardens close to the house can also attract them if they offer easy access to food.

4. Seasonal Changes

During hot summer months or heavy rainfall seasons, earwigs may seek refuge indoors as their outdoor habitats become inhospitable. This seasonal migration often leads to increased sightings inside homes.

5. Unsealed Entry Points

Earwigs can enter your home through unsealed windows, doors, and cracks in the foundation or walls. They are small enough to squeeze through tiny openings if they sense a hospitable environment inside.

Identifying an Earwig Infestation

While spotting an occasional earwig might not be alarming, a significant presence could indicate an infestation. Signs include:

  • Finding multiple earwigs in various locations throughout your home
  • Discovering earwig droppings (small dark pellets) near hiding spots
  • Noticing damage to plants or garden beds outside your home
  • Seeing bite marks on leaves or fruits in your garden

If you observe these signs consistently, it’s essential to take action promptly.

Solutions for Managing Earwigs

Dealing with an earwig infestation involves a combination of preventative measures and active removal strategies. Here are actionable solutions you can implement:

1. Reduce Moisture Levels

Since moisture attracts earwigs, addressing any water issues in your home is crucial:

  • Fix Leaks: Repair any plumbing leaks immediately.
  • Improve Ventilation: Ensure proper airflow in bathrooms and basements by using exhaust fans or dehumidifiers.
  • Eliminate Standing Water: Regularly check areas like sinks and bathtubs for standing water that could attract pests.

2. Seal Entry Points

Preventing earwigs from entering your home is key to controlling their population:

  • Seal Cracks: Use caulk to fill gaps around windows, doors, and foundations.
  • Install Screens: Fit window screens with tight seals to keep bugs out while allowing fresh air circulation.
  • Replace Weather Stripping: Deter pests by ensuring that doors and windows close tightly.

3. Reduce Clutter

Minimize hiding spots for earwigs by decluttering:

  • Organize Storage Areas: Store items off the floor and use plastic bins instead of cardboard boxes.
  • Clear Debris Outside: Remove piles of leaves, mulch, or wood near your home’s foundation.
  • Maintain a Clean Kitchen: Regularly clean countertops and sweep floors to eliminate food sources.

4. Natural Deterrents

Several natural remedies can help repel earwigs without resorting to chemical pesticides:

  • Essential Oils: Certain essential oils like peppermint or tea tree oil can deter earwigs when mixed with water and sprayed around potential entry points.
  • Diatomaceous Earth: Sprinkling food-grade diatomaceous earth around your home can create a barrier that earwigs cannot cross without injury.

5. Traps and Baits

Setting up traps can help capture existing earwigs within the home:

  • Wet Newspaper Trap: Roll up damp newspaper and place it overnight in areas where you’ve seen earwigs. In the morning, dispose of the trapped insects.
  • Commercial Traps: Purchase sticky traps specifically designed for crawling insects at local hardware stores.

6. Chemical Control (as a Last Resort)

If all else fails and the infestation persists, consult with a pest control professional about chemical options that are safe for indoor use:

  • Insecticidal Sprays: Some products are effective against earwigs but ensure they are safe for indoor application and follow all label instructions carefully.

Conclusion

Understanding why there are earwigs in your house is essential for effectively managing an infestation. By addressing moisture issues, sealing entry points, reducing clutter, using natural deterrents, setting traps, or seeking professional help when necessary, you can reclaim your space from these unwelcome guests.

While earwigs may not pose significant harm to humans or pets directly, their presence can be unsettling and indicative of underlying environmental issues in your home. By taking proactive measures now, you reduce the chances of future infestations and promote a healthier living environment for yourself and your family. Implementing these strategies will make your home less hospitable to these nocturnal nuisances while creating a more comfortable space overall.