Preventing Earwig Infestations: Tips for Long-Term Control

Preventing Earwig Infestations: Tips for Long-Term Control

Earwigs are nocturnal insects that are often found in damp and dark areas, such as gardens, mulched spaces, and under stones. While they do not pose a direct threat to humans, their presence in large numbers can be a nuisance and cause damage to plants in gardens. Prevention is key to long-term earwig control, as it helps avoid infestations and reduces the need for intensive removal methods. In this article, we will explore effective tips for preventing earwig infestations and achieving long-term control.

1. Modify Garden Environment

Creating an environment that is less favorable to earwigs can help prevent infestations in your garden. Follow these tips:

Proper Drainage: Ensure that your garden has proper drainage to prevent water accumulation. Earwigs are attracted to moist areas, so reducing excess moisture can discourage them from nesting.

Reduce Mulch: While mulch can be beneficial for plants, excessive mulch can provide hiding spots for earwigs. Limit the depth of mulch to reduce potential nesting areas.

Remove Garden Debris: Clean up fallen leaves, plant clippings, and other organic debris regularly. Earwigs are attracted to decaying plant matter, so removing debris minimizes their food sources.

2. Use Barriers

Creating barriers can be an effective way to keep earwigs away from specific areas. Consider the following barriers:

Dry Barrier: Surround the perimeter of your home or garden with a barrier made of materials like diatomaceous earth, gravel, or crushed rock. This barrier prevents earwigs from crossing it and entering your living spaces or garden.

Copper Strips: Copper strips are a natural deterrent for earwigs. Place copper strips around flower beds, raised planters, and other vulnerable areas to keep earwigs at bay.

3. Caulk and Seal Entry Points

Earwigs can enter your home through small cracks and gaps in walls, windows, and doors. To prevent their entry:

Inspect and Caulk: Regularly inspect the exterior of your home for any gaps or cracks. Seal them with caulk or weather stripping to keep earwigs out.

Screen Windows and Vents: Install fine-mesh window screens and cover vents with mesh to prevent earwigs from gaining access indoors.

4. Attract Natural Predators

Encourage natural predators of earwigs, such as birds, toads, and ground beetles, to help control their population:

Provide Bird Feeders: Install bird feeders and bird baths to attract birds to your garden. Birds feed on earwigs and other garden pests, keeping their numbers in check.

Create Toad Habitats: Toads are excellent predators of earwigs. Create a toad-friendly habitat in your garden by providing shelter, such as overturned clay pots or log piles.

5. Beneficial Nematodes

Beneficial nematodes are microscopic roundworms that feed on earwig larvae and other garden pests. Apply beneficial nematodes to the soil in your garden to naturally control earwig populations. These nematodes are safe for plants, pets, and beneficial insects.

6. Regular Garden Maintenance

Consistent garden maintenance is essential for preventing earwig infestations:

Remove Plant Debris: Regularly clean up fallen leaves, plant clippings, and other organic debris to eliminate hiding spots and food sources for earwigs.

Prune Overgrowth: Keep plants well-maintained and avoid overgrowth, as dense vegetation can provide hiding spots for earwigs.

7. Good Lighting Practices

Earwigs are attracted to lights during the night. To prevent them from gathering around your home:

Use Yellow or Sodium-Vapor Lights: Yellow or sodium-vapor lights are less attractive to insects, including earwigs, compared to traditional white lights.

Position Lights Away from Entryways: Position outdoor lights away from entryways to reduce the likelihood of earwigs being drawn to your home.

8. Regular Monitoring

Frequent monitoring of your garden and outdoor spaces is crucial for early detection of earwig activity. Regularly inspect plants, mulched areas, and potential hiding spots for signs of infestations.

9. Natural Repellents

Certain natural substances can act as repellents to keep earwigs away:

Essential Oils: Peppermint, lavender, and tea tree essential oils are known to repel earwigs. Dilute these oils with water and spray them around your garden to deter earwigs.

Diatomaceous Earth: Diatomaceous earth is a natural and non-toxic powder that can be sprinkled around plants and garden beds. It works by dehydrating and killing earwigs and other insects that come into contact with it.

10. Plan Garden Layout

When planning your garden layout, consider strategies to minimize earwig attraction:

Plant Selection: Choose plants that are less appealing to earwigs. While earwigs are opportunistic feeders, some plants are less likely to attract them.

Elevate Pots and Containers: Place potted plants on stands or elevating devices to reduce access to earwigs.


Preventing earwig infestations is essential for maintaining a pest-free garden and outdoor space. By implementing these tips, you can create an environment that is less favorable to earwigs and reduce their attraction to your property. Garden modifications, the use of barriers, and regular maintenance can go a long way in deterring earwigs from nesting and feeding. Attracting natural predators, such as birds and toads, can also contribute to keeping earwig populations under control. Beneficial nematodes and natural repellents offer additional eco-friendly approaches to prevent infestations. Regular monitoring and early detection are essential for addressing potential infestations before they become severe. Remember that prevention is key to long-term earwig control, and implementing these preventive measures will help you enjoy a thriving and earwig-free garden environment.