Top 10 World’s Largest Insects on Earth

On earth more than 80% of species are occupied by insects. There are around 900,000 different kinds of insects living on earth and about a million still waiting to be discovered. Most of them are very disgusting and scary but they are very important part of this environment.

The largest insect ever lived on earth were dragonfly like the bug of order Protodonata. They had wings of nearly 2.5 feet across and huge mandibles but they went exist a long time ago. Here is the list of Top 10 World’s Largest Insects on EarthThis list contains the biggest insect that exists on earth, at present.

10. Tarantula Hawk

Tarantula Hawk1Photo credit: wikipedia

Tarantula Hawk is popular because it hunts tarantula as food for its larvae. They are mostly found in New Mexico. It is 2 inches long but its sting is 1/3 inch long and it is considered as the second most painful insect sting in the world. It stings and paralyzes the spider and lays the egg on spider abdomen.

9. Giant Burrowing Cockroach

Giant Burrowing Cockroach1Photo credit: wikipedia

Giant Burrowing Cockroach is also known as rhinoceros cockroach and litter bugs. They are the world’s heaviest species of cockroach and mostly found in Australia and in tropical lands of Queensland. They can grow up to 35g in weigh and 3.1 inch in length. They can live for up to 10 years and they can be differentiated by scoop on their head, males have scoop on head and females does not.

8. Goliath Beetle

Goliath Beetle1Photo credit: wikimedia

Goliath Beetle is the one of the strongest contenders in the world for the largest insects on earth. They are mostly found in Africa and can grow up to 4 inches in length and 100 cm in height. They feed primarily on tree sap and fruits. They are vegetarian and fed cat and dog food. The male is black/white in color and the female is dark brown or silky white.

7. Giant Weta

Giant Weta1Photo credit: wikipedia

Giant Weta is one of the heaviest insects in the world found in New Zealand. They can grow up to 4 inches in length and usually weigh more than a sparrow. They are only found in the Islands and known as island gigantism. They tend to be less social and more passive than other Weta.

6. Giant Long Legged Katydids

Giant Long Legged Katydids1Photo credit: wikimedia

Giant Long Legged Katydids is the largest species of katydids in the world. It belongs to tettigoniidae family which contains almost 6400 species and looks like grasshopper and crickets. They can grow up to 6 inches in length. Their natural habitat includes the forests of Malaysia where its leaf like structure help them to hide from predators.

5. Giant Camel Spider

Giant Camel Spider1Photo credit: wikipedia

Giant Camel Spider is also known as wind scorpion, sun spider or solifuges. It has two tagmata and abdomen behind the prosoma that is a combines head and thorax. Most of the Giant Camel Spider lives in dry climates and feed antipodes and small animals. They can grow to a length of 5-6 inch and they are very fast on land as compared to other invertebrates with a top speed of 16 km/h.

4. Titan Beetle

Titan Beetle1Photo credit: wikimedia

Titan Beetle is a Neotropical longhorn beetle which is the second longest known beetle. They can grow up to 7 inches in length. Their mandibles can cut a pencil into two pieces and tear human flesh. They are mostly found in the Amazon rain forests, but the larvae have never been found. It is assumed that they are fed inside wood and may take several years to reach full size.

3. Atlas Moth

Atlas Moth1Photo credit: wikimedia

These bird sized Atlas Moths are considered as the largest moths in the world. They are maroon in color with triangular windows on both wings. In South East Asia these moths are cultivated for their silks and their cocoons are occasionally used as purses in Taiwan. With the largest moth their wingspan is over 10 inches.

2. Queen Alexandra bird wing

Queen Alexandra bird wing1Photo credit: wikipedia

The Queen Alexandra bird wing is the largest butterfly found in the world. The females can reach a wingspan of 12.2 inches including the body length of 3.2 inches. It is found only in Papua New Guinea. Females butterfly has brown wings with white markings and the males are bluish green in color with a black central band.

1. Giant Stick Insect

Giant Stick Insect - World's Largest InsectsPhoto credit: wikimedia

Recommended: Weirdest Animals on Earth

Giant Stick Insect is the longest insect on earth. It has a strange shape to hide themselves from predator among branches. The Giant Stick Insect found in Southeast Asia and is the longest insect of about 2 feet in length. Some of the species can produce a pungent smell defensive for protection but they are harmless for humans.

Written by
Varun Kumar

Varun Kumar is an experienced science and technology journalist interested in machines, AI, and space exploration. He received a Master's degree in computer science from Indraprastha University. To find out what his latest project is, feel free to directly email him at [email protected] 

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