7 Types Of Arachnids | Small To Large [Insects] With Pictures.

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You may have heard about various types of arachnids that are present in and around us, and so today, we will discuss the 7 types of Arachnids that are there. Let us take a look.

What is an Arachnid?

An arachnid is a category of invertebrates that includes spiders, harvestmen, ticks, and mites. They are generally characterized by their eight legs and the fact that they do not have antennae. Arachnids come in a variety of shapes and sizes, from very small to quite large.

The parts of Arachnids: the cephalothorax in front and the abdomen in back. The cephalothorax has the spider’s head and thorax, while the abdomen holds its organs. Arachnids have eight legs and no wings or antennae.

Arachnids come in a variety of sizes, from as small as a grain of rice to as large as a dinner plate.

They are distinguished from insects by their two body segments instead of three and the lack of wings on most species. Arachnids go through a number of changes as they grow, and some, like mites, can look very different at different stages in their lives.

How Do Arachnids Eat?

Arachnids are predators and feed mainly on other arthropods, which include insects, myriapods, and arachnids. Some species of arachnid may also target small vertebrates as prey.

They use a variety of methods to capture prey, including ambush, running down prey, trapping in webs, and leaping onto prey.

Once they have captured the prey, they use their chelicerae to pour digestive juices over the prey, which pre-digests it. This allows the arachnid to suck up the liquefied meal and ingest it.

They use their chelicerae to pierce the food item, inject digestive juices, and suck out the liquefied remains. The arachnid then sucks the liquid remains into its mouth.

7 types of Arachnids


types of arachnids

Harvestmen are a type of arachnid that can be found all over the world. They are typically small, but there are some species that can grow quite large. They have eight legs and two body segments. They vary in color, but most are brown or black.

They are a type of arachnid that has a less obvious join between cephalothorax and abdomen than spiders. They are typically smaller in size and do not build webs to catch prey.

They are different from other types of spiders in that they do not have venom, and their mouthparts are used for eating plant matter.

Horseshoe Crabs

A young horseshoe crab crawls along the beach shoreline.

Horseshoe crabs are a type of arachnid that can be found in both salt water and fresh water habitats. They typically live on the bottom of the ocean or in estuaries, where they feed on small invertebrates.

The Chinese horseshoe crab is an endangered species, while the Atlantic horseshoe crab – the species seen on the Atlantic coast of the USA – is also threatened, with a conservation status of ‘ Vulnerable. ‘


mite encephalitis on human skin

Mites are a type of arachnid known as Acari. They are very small creatures that can be difficult to see with the naked eye. There are many different types of mites, and they can be found in many different environments.

They can also be found in soil and leaf litter. They are among the most frequently-occurring animals on Earth and come in a variety of shapes and sizes. While many people think of them as pests, they play an important role in the ecosystem.

They can be herbivores, scavengers, or parasites. Some mites are known to damage crops and other plants.

Some mites are known to cause damage to crops and other plants, while others are beneficial predators of harmful insects. The best-known crop-damaging mite is the red spider mite Tetranychus urticae.

Mites of the genus Trombicula (chiggers) are known as ‘ chiggers ‘ in their larval stage – these tiny creatures can cause a great deal of irritation when they attach themselves to human skin.


Black Scorpion big old Black Scorpion scorpion stock pictures, royalty-free photos & images

Scorpions are a type of arachnid that has eight legs and a stinger-like tail. They can be found in warm climates all over the world, such as in warm and tropical climates around the world.

They have two claws on their front legs that they use to catch prey. They generally range in size from small to large and can be dangerous if they sting you.

They all have a set of pincers, and most have a venomous stinger at the tip of their tail. Scorpions are not present in New Zealand.

Solifuges (Camel Spiders)

Solifuge or camel spider, Panna, Madhya Pradesh, India

Solifuges are a type of arachnid that is found in dry habitats such as deserts. They get their name from the Latin solum, meaning “soil,” and fugue, meaning “flee.”

This is because they are one of the few types of arachnids that can move quickly across the sand and other loose surfaces. Solifuges have a long body with ten legs, and they range in size from 1 to 5 inches long.

This gives them the appearance of having ten legs when in reality, they only have eight. They are typically small to medium in size and can be found in a variety of habitats.

This gives them a fearsome appearance and can lead to a painful bite if humans are unfortunate enough to be bitten by one. However, solifuges are otherwise harmless to humans and should not be feared.


A giant wood spider waiting for prey on its big web. It's a very common specie in India but always fascinating.

Spiders are in the order Araneae which contains over 40,000 different species.

They are found on every continent in the world, with the exception of Antarctica. They come in a variety of shapes and sizes, ranging from very small to quite large.

Spiders have adapted to live in many different habitats, including deserts, caves, and even aboard ships.

They use silk for a variety of purposes, including building egg cases (which can contain hundreds of eggs), creating nests, wrapping prey items for transport, and as ‘parachute lines’ that allow them to be carried over large distances by the wind.


Wood Tick on finger

Ticks are tiny arachnids that belong to the order Acari, or Acarina. They are parasites that feed on the blood of their hosts, which can be mammals, birds, or reptiles.

Ticks are vectors for a variety of diseases, including Lyme disease, Rocky Mountain spotted fever and ehrlichiosis.

They are often found in areas with tall grass and dense underbrush, as these areas provide the perfect environment for them to wait for potential prey.

Ticks can attach themselves to both animals and humans, and they often carry diseases, such as Lyme disease, which can be harmful to their hosts.

What is Arachnophobia?

"Young child surprised by a wasp spider, Argiope aurantia"

Arachnophobia is an irrational fear of arachnids, which are a type of insect. Arachnids include spiders, scorpions, and ticks.

People who suffer from arachnophobia often have an intense fear of these creatures and experience panic attacks or other extreme reactions when around them.

It is one of the most common phobias in the world, and it is often unfounded. While there are some dangerous spiders out there, the vast majority of them are harmless. In fact, many people find spiders to be fascinating creatures.

While spiders can be venomous, and some can cause fatalities, the chances of this happening are very slim. In fact, out of the more than 45,000 species of spiders in the world, only a handful are known to have caused human fatalities.


Now you know about the various types of Arachnids that exist and how and where they are found, and the way to identify them. Hope this information will come in handy.

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.