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Earwigs are fascinating creatures that have been the subject of myths and legends for centuries. But what are earwigs, and why are they so important? In this article, we’ll explore the biology and behavior of earwigs, their impact on the ecosystem, and their role as pests. We’ll also discuss how to control earwigs and answer some common questions about these intriguing insects.

Brief Overview of Earwigs and Their Characteristics

Earwigs crawl on a wooden fence, looking for a cozy place to hide.
Earwigs crawl on a wooden fence, looking for a cozy place to hide.

Earwigs are elongated insects with a pair of pincers or forceps-like cerci protruding from their abdomen. They range in size from 5 to 50 mm, with some species being winged, while others are not. Earwigs belong to the order Dermaptera, which means “skin wings” in Greek, and are often mistaken for other insects such as roaches or beetles.

Importance of Earwigs in the Ecosystem

Earwigs rest in the palm of a hand, their small bodies delicate and fascinating.
Earwigs rest in the palm of a hand, their small bodies delicate and fascinating.

Earwigs are beneficial to the environment, playing a crucial role in the ecosystem. They help to decompose dead plants and animals, and their feces provide nutrients to the soil. Additionally, earwigs are a source of food for many animals, including birds, reptiles, and mammals.

Why People Are Interested in Earwigs

Despite their positive contributions to the ecosystem, earwigs are often viewed as pests due to their tendency to invade homes and gardens. Many people are fascinated by these insects and want to learn more about their behavior, habits, and how to control them. In the next section, we’ll delve deeper into the biology and behavior of earwigs.

Biology and Behavior of Earwigs

Earwigs are fascinating insects with unique physical characteristics and behavior. In this section, we’ll explore the physical appearance of earwigs, their lifecycle, habitat, and feeding habits.

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Physical Appearance of Earwigs

Earwigs have an elongated, flattened body with a pair of cerci protruding from their abdomen. These cerci are used for defense, mating, and catching prey. Earwigs also have two pairs of wings, with the hind wings folded under the front wings when not in use. Their color varies from brown to black, and some species have stripes or markings on their bodies.

Lifecycle of Earwigs

Earwigs go through a process called incomplete metamorphosis, which means they hatch from eggs as nymphs and gradually molt into adult insects. During the mating season, male earwigs will compete for females, and the winner will guard the female and fertilize her eggs. Female earwigs lay their eggs in small clusters in the soil, and the nymphs will emerge after a few weeks.

Habitat and Distribution of Earwigs

Earwigs are found all over the world, with over 2,000 species identified. They prefer moist environments such as under rocks, logs, and in soil. Some species are also found in arid areas, while others live in trees and other vegetation.

Feeding Habits of Earwigs

Earwigs are omnivores, which means they eat both plants and animals. They feed on a variety of plant material, including leaves, flowers, and fruits. They also eat other insects, spiders, and small animals. Earwigs are active at night and hide during the day, making them difficult to spot. In the next section, we’ll discuss whether earwigs are harmful to humans and plants.

Are Earwigs Harmful to Humans and Plants?

Earwigs have a reputation for being harmful to both humans and plants, but is this really the case? Let’s separate the myths from the facts and explore the impact of earwigs on plants and crops.

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Myths and Facts About Earwigs

One of the most common myths about earwigs is that they crawl into people’s ears while they’re sleeping. While it’s true that earwigs are attracted to warm, dark, and moist environments, they are not interested in human ears and will not crawl into them.

Another myth is that earwigs are poisonous. While earwigs do have pincers, they are not venomous and cannot harm humans.

How Earwigs Can Be Beneficial to Plants

Earwigs are not all bad news for plants. They feed on a variety of insects that can damage crops, such as aphids, mites, and caterpillars. In fact, some farmers and gardeners even use earwigs as a form of biological pest control.

Earwigs also help to break down dead plant matter and add nutrients to the soil. Their feces are rich in nitrogen and can be used as a fertilizer for plants.

Earwigs as Pests and Their Impact on Crops

While earwigs can be beneficial to plants in some ways, they also have the potential to cause damage. Earwigs are known to feed on the leaves, flowers, and fruits of many crops, including corn, beans, and strawberries.

In large numbers, earwigs can cause significant damage to crops, reducing yields and affecting the quality of the produce. This is why farmers and gardeners often take steps to control earwig populations.

In the next section, we’ll discuss how to control earwigs using natural and chemical methods.

How to Control Earwigs

Earwigs can be a nuisance, but there are several ways to control them and prevent infestations. In this section, we’ll explore natural and organic methods, chemical methods, and prevention tips for controlling earwigs.

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Natural and Organic Methods of Controlling Earwigs

One way to control earwigs is to use natural and organic methods. These methods are safe for the environment and do not harm beneficial insects. Here are some examples:

  • Traps: Place rolled-up newspapers in the garden or near the affected area. Earwigs will crawl into the newspaper, and you can dispose of it the next day.
  • Diatomaceous earth: Sprinkle diatomaceous earth around the garden or affected area. This powder will dehydrate earwigs and other insects.
  • Essential oils: Mix essential oils such as lavender, peppermint, or tea tree oil with water and spray around the garden or affected area. The scent will deter earwigs.

Chemical Methods of Controlling Earwigs

If natural and organic methods are not effective, you can use chemical methods to control earwigs. However, it’s important to use chemicals safely and according to the instructions on the label. Here are some examples:

  • Insecticides: Use insecticides that contain pyrethroids, carbamates, or organophosphates. These chemicals will kill earwigs on contact.
  • Baits: Place earwig baits around the garden or affected area. Earwigs will eat the bait and die.

Prevention Tips to Avoid Earwig Infestations

Prevention is key when it comes to controlling earwigs. Here are some tips to prevent earwig infestations:

  • Remove debris: Clean up debris such as leaves, woodpiles, and plant debris from the garden or affected area.
  • Reduce moisture: Earwigs thrive in moist environments, so reduce moisture by watering plants in the morning and using a dehumidifier in damp areas.
  • Seal entry points: Seal entry points such as cracks and gaps in doors, windows, and walls to prevent earwigs from entering your home.
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By using these methods, you can effectively control earwigs and prevent infestations. In the next section, we’ll answer some common questions about earwigs.

Earwig FAQs

Earwigs are interesting insects that often raise many questions. Here are some of the most common questions people have about earwigs, along with some helpful answers.

Common Questions About Earwigs

Q: Are earwigs harmful to humans?

A: Earwigs are not harmful to humans, despite their intimidating appearance. They do not carry diseases or bite, and their pincers are not strong enough to cause any harm.

Q: Do earwigs crawl into people’s ears?

A: The myth that earwigs crawl into people’s ears is just that – a myth. While earwigs may occasionally crawl into small spaces, such as a person’s ear, they do not do so intentionally, and there is no evidence to suggest that they pose any risk to human health.

Q: What do earwigs eat?

A: Earwigs are omnivorous, meaning they eat both plant and animal matter. They feed on a variety of insects, as well as fruits, vegetables, and flowers.

Best Practices for Dealing with Earwigs

Q: How can I control an earwig infestation in my home?

A: The best way to control an earwig infestation is to eliminate their habitat. Seal up any cracks or openings in your home’s foundation, and remove any piles of debris or vegetation near the house. You can also use sticky traps to catch earwigs, and apply insecticide as a last resort.

Q: Are there any natural methods for controlling earwigs?

A: Yes, there are several natural methods for controlling earwigs. These include using diatomaceous earth, a powder made from the fossilized remains of diatoms, which can be sprinkled around plants or areas where earwigs are present. You can also use a mixture of equal parts water, white vinegar, and dish soap to spray on earwigs.

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How to Differentiate Earwigs from Other Insects

Q: How can I tell the difference between an earwig and a roach?

A: Earwigs have pincers or forceps-like cerci protruding from their abdomen, while roaches do not. Earwigs are also generally smaller than roaches and have a different body shape.

Q: How can I tell the difference between an earwig and a beetle?

A: Earwigs and beetles can be difficult to differentiate, as they are similar in size and shape. However, earwigs have a more elongated body and pincers, while beetles have a more rounded body and hard shell-like wings.


In conclusion, earwigs are a vital part of the ecosystem, and understanding their biology and behavior is crucial for effective pest management. While they can be pests in gardens and homes, there are many natural and chemical methods of controlling them. It’s essential to use preventative measures to avoid infestations and to differentiate earwigs from other insects.

As you’ve learned in this article, earwigs play a significant role in the environment, providing nutrients to the soil and serving as a food source for many animals. By controlling earwig populations, we can ensure a healthy and balanced ecosystem.

At Critter Kingdom, we’re committed to providing information on a wide range of animals, from dogs and cats to small animals and insects. We hope this article has been informative and helpful in your understanding of earwigs. If you have any questions or comments, please feel free to reach out to us. Thank you for reading!

By Andy Marcus

Hello, my name is Andy Marcus, and I am a passionate dog lover and enthusiast. For me, there is nothing quite like the joy and love that a furry friend can bring into our lives. I have spent years studying and learning about dogs, and have made it my mission to share my knowledge and expertise with others through my website. Through my website, I aim to provide comprehensive information and resources for dog owners and enthusiasts. Whether it's training tips, health and nutrition advice, or insights into dog behavior, I strive to create a platform that is accessible and useful to everyone who loves dogs.