25 Largest Insects Ever Found In World

11. Macropanesthia rhinoceros

(By Mark Pellegrini (Raul654) , Wikimedia Commons)

This creature is known as the giant burrowing cockroach, the rhinoceros cockroach, and litterbug. It is the heaviest species of cockroach, weighing up to 35 g, and measuring up to 8 cm (3.1 in) in length. This cockroach is found in Australia and tropical parts of Queensland.

IV. Praying mantises (Mantodea)

12. Rhombodera basalis

(By Bernard DUPONT from FRANCE, Wikimedia Commons)

This species of praying mantis can grow up to 12 cm (4.7 in), making it one of the largest. You’ll find this mantis in Malaysia, Indonesia, Thailand, and Borneo.

V. True Flies (Diptera)

13. Gauromydas heros

(By Biologoandre, Wikimedia Commons)

Here’s a species of giant fly that measures 3.2 cm (1.3 in) to 7 cm (2.8 in), with a 10 cm (3.9 in) wingspan. Brazil, Bolivia, and Paraguay are where you will find this fat fly.

VI. True bugs (Hemiptera)

14. Lethocerus americanus

(By The High Fin Sperm Whale, Wikimedia Commons)

It is commonly known as the Giant Water Bug, growing up to 6 cm (2.4 in). It is native to southern Canada and the United States.

VII. Stoneflies (Plecoptera)

15. Pteronarcys californica

(By Walter Siegmund, Wikimedia Commons)

This species, also known as the giant salmonfly, grows to approximately 5 cm (2 in) in length. It is indigenous to a large stretch of Western North America, from British Columbia to California.

VIII. Ants, bees, and wasps (Hymenoptera)

16. Myrmecia brevinoda

(By Fritz Geller-Grimm, Wikimedia Commons)

The worker ant of this species measures up to 3.7 cm (1.5 in) in length, while the queen is usually 4 cm (1.6 in). These ants are found in eastern Australian states of New South Wales, Victoria, the eastern part of Queensland and the Australian Capital Territory.

17. Megachile pluto

(By Stavenn, Wikimedia Commons)

Known as Wallace’s giant bee or raja ofu/rotu ofu (king/queen of the bees in Indonesia), it is an Indonesian resin bee. It is the largest bee alive and measures between 2.3 cm (0.9 in) and 3.8 cm (1.5 in), with a wingspan of 6.3 cm (2.5 in).

18. Pepsis pulszkyi

(By Xpda, Wikimedia Commons)

This terrifying beauty is called the Tarantula Hawk Wasp because it preys on tarantulas. These wasps measure up to 6.8 cm (2.7 in) with a massive wingspan of 11.6 cm (4.5 in). They are found all over the world from India to Southeast Asia, Africa, Europe, Australia, and the Americas, and are the official state insect of New Mexico.

19. Megascolia procer

(By Didier Descouens, Wikimedia Commons)

The Giant Scoliid Wasp is a solitary wasp and one of the largest in the world with a wingspan measuring 11.6 cm (4.5 in).
You can find this walloping wasp in the Indonesian islands of Sumatra and Java.

20. Vespa mandarinia

(By I, KENPEI, Wikimedia Commons)

Called the Asian Giant Hornet, this beast measures 4.5 cm (1.8 in) with a wingspan of 7.5 cm (3 in) and is found commonly in tropical Eastern Asia.