Updated: April 2, 2023

Diatomaceous earth (DE) is a naturally occurring sedimentary rock made up of the fossilized remains of diatoms, a type of hard-shelled algae. When crushed into a fine powder, diatomaceous earth is used in a variety of applications, including pest control and as a dietary supplement for humans and animals.

Earwigs are small insects that belong to the order Dermaptera. They are characterized by their elongated bodies and pincers on their hind ends. Earwigs are primarily nocturnal creatures and are attracted to dark, damp environments.

The purpose of this article is to explore whether or not diatomaceous earth can effectively repel earwigs.

What are Earwigs?

Physical Description

Earwigs range in size from 5-25mm in length and have long, slender bodies with two pairs of wings. They are typically brown or black in color and have pincers on their hind ends, which they use for defense and mating.

Behavior

Earwigs are primarily nocturnal creatures that spend their days hiding in dark, damp places such as under rocks, logs, or leaves. They are attracted to light and may be found congregating around porch lights or other sources of illumination at night.

Habits and Habitats

Earwigs are found throughout the world but prefer warm, humid climates. They are most commonly found in gardens and outdoor environments but may also be found indoors if the conditions are right.

What is Diatomaceous Earth?

Definition and Composition

As mentioned earlier, diatomaceous earth is a naturally occurring sedimentary rock made up of the fossilized remains of diatoms. When crushed into a fine powder, it is composed primarily of silica with small amounts of other minerals.

Types of Diatomaceous Earth

There are two main types of diatomaceous earth: food grade and industrial grade. Food grade diatomaceous earth is safe for human consumption and is often used as a dietary supplement or additive in food products. Industrial grade diatomaceous earth is used primarily for pest control and other industrial applications.

How Diatomaceous Earth Works

Diatomaceous earth works by dehydrating insects that come into contact with it. The microscopic particles that make up the powder have sharp edges that damage the exoskeletons of insects, causing them to lose moisture and die from dehydration.

Does Diatomaceous Earth Repel Earwigs?

How Diatomaceous Earth Affects Earwigs

When earwigs come into contact with diatomaceous earth, the powder damages their exoskeletons, causing them to lose moisture and die from dehydration.

Scientific Evidence Supporting the Use of Diatomaceous Earth as an Earwig Repellent

There is limited scientific evidence supporting the use of diatomaceous earth as an effective earwig repellent. However, many people have reported success in using it to repel these pests.

User Experiences and Reviews

Many users have reported success in using diatomaceous earth as an earwig repellent in both indoor and outdoor settings. However, some have noted that frequent reapplication may be necessary to maintain its effectiveness.

How to Apply Diatomaceous Earth to Repel Earwigs?

Precautions when Handling Diatomaceous Earth

When handling diatomaceous earth, it’s important to wear gloves and a mask to avoid inhaling the fine particles which can irritate your lungs.

Steps for Applying Diatomaceous Earth to Repel Earwigs

To apply diatomaceous earth to repel earwigs:

  1. Locate areas where earwigs are likely to congregate.
  2. Apply a thin layer of diatomaceous earth around these areas.
  3. Reapply as needed.

Frequency of Application

The frequency of application will depend on the severity of the infestation and environmental conditions such as humidity levels.

Other Natural Methods to Repel Earwigs

Essential Oils

Essential oils such as lavender or peppermint oil can be effective in repelling earwigs when applied around areas where they congregate.

Traps and Barriers

Sticky traps or barriers made from materials such as petroleum jelly can be placed around areas where earwigs congregate to prevent them from entering your living space.

Natural Predators

Encouraging natural predators such as birds or frogs can help keep earwig populations under control.

Conclusion

In conclusion, while there is limited scientific evidence supporting the use of diatomaceous earth as an effective earwig repellent, many users have reported success in using it for this purpose. When applying diatomaceous earth, it’s important to take precautions such as wearing gloves and a mask to avoid inhaling the fine particles which can irritate your lungs. Other natural methods such as essential oils or traps may also be effective in repelling earwigs depending on the severity of the infestation and environmental conditions.