Kimura spider

This spider lives in Japan. It is a small spider. It can grow to 3 cm long.

The spider makes a hole in the ground. It lives in this hole. It uses a flap to cover it. This flap helps it hide.

A person named Arika Kimura found it. She found it in 1920. A man named Kyukichi Kishida named it. He studied the spider well. It is a very special spider.

The Kimura spider lives in Japan. It is an Old World spider. This name means it comes from the old parts of the world.

This spider can grow to 3 cm long. It belongs to a group called Mesothelae. These are primitive burrowing spiders. This means they are very old types of spiders that dig holes.

The spider makes a hole in the ground. It uses a special flap to cover its home. This flap has camouflage. It helps the spider hide from others.

A person named Arika Kimura found the spider in 1920. The spider is named after her. A man named Kyukichi Kishida first described it in 1920. He first put it in a group called Liphistius. Later, in 1923, he made a new group for it. He called this group Heptathela. He did this because the spider was different from the others.

The Kimura spider is a very special living thing. It is an Old World spider found in Japan. This spider belongs to a group called Mesothelae. These are primitive burrowing spiders. This means they are an ancient type of spider. They spend much of their time digging in the dirt.

This spider has a very clever way of living. It digs a burrow deep in the ground. The spider covers the hole with a flap. This flap looks like a small pill box. The flap uses camouflage to hide the entrance. This helps the spider stay safe and hidden.

People first learned about this spider in 1920. A person named Arika Kimura collected it that year. A scientist named Kyukichi Kishida described it too. He first put it in the genus Liphistius. Later, he changed how it was grouped. He wanted to show how unique it was.

There are many interesting facts about this species. Its scientific name is Heptathela kimurai. In Japanese, it is called kimura-gumo. The spider can grow up to 3 cm long. In 1923, Kishida created the genus Heptathela. He did this after he looked at it again. He saw it was different from other spiders.

You can think of the spider like a tiny builder. It builds a house that stays well hidden. The pill box flap acts like a secret door. This door keeps the spider tucked away from view. It is a small part of the world of Japan. Many spiders have ways to hide in nature.

The Kimura spider is a unique species of Old World spider. Its scientific name is Heptathela kimurai. In Japan, people call this spider kimura-gumo. This spider is an endemic species of Japan. This means it is found naturally only in that country. It belongs to the sub-order Mesothelae. These are known as primitive burrowing spiders. They represent an ancient lineage of spiders that live underground.

This spider has a very specific way of building its home. It creates a burrow deep within the ground. To protect its entrance, it uses a special structure. This structure is a camouflaged flap. It is often described as looking like a pill box. This flap covers the hole to hide the spider. The camouflage helps the spider remain unseen by others.

Physical characteristics of the Kimura spider are quite distinct. The spider can reach a length of up to 3 cm. This size makes it a small but notable predator in its habitat. As a member of the Mesothelae sub-order, it is a burrower. It relies on its underground lifestyle for survival. The combination of its size and its burrowing habits defines its niche.

History shows us how scientists identified this specific spider. The species was first described in 1920. A person named Arika Kimura collected the specimen that year. The scientist Kyukichi Kishida performed the initial description. He originally placed the spider in the genus Liphistius. He named it Liphistius kimurai at that time. This name honored the person who found it.

Taxonomy is the science of naming and grouping living things. Kishida later changed how the spider was classified. In 1923, he established the genus Heptathela. He did this after he performed a re-examination of the spider. He decided the species was sufficiently distinct from Liphistius. This means it had enough unique traits to be in its own group. This change helped scientists understand its place in the tree of life.

Understanding the Kimura spider helps us learn about spider evolution. Because it is a primitive burrowing spider, it is very old. It belongs to the family Liphistiidae. Studying these spiders gives us clues about ancient spider groups. Their specialized burrows show how they have adapted to life in Japan. The pill box flap is a great example of specialized behavior.

Researchers continue to look at these spiders to learn more. The work of Kishida and Kimura laid the foundation for this study. We can see how classification changes as we learn more facts. The Kimura spider remains a significant part of Japan's natural history. It is a small creature with a very complex way of living. Its unique burrowing methods make it a fascinating subject for science.