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Dr. Agasa and a beetle
Real Life
A rhino beetle
Animal Name Beetle
Species Insect (Coleoptera)
Origin Anywhere except Antarctica
Related species Firefly
Characters Heracross
Works Mushihimesama, etc.
Domain Eukaryotic
Kingdom Animal Kingdom
Subkingdom Eumetazoa
Branch Protostomes
Superphylum Ecdysozoa
Phylum Arthropoda
Subphylum Hexapoda
Class Insecta
Subclass Pterygota
Infraclass Neoptera
Superorder Coleopterodea
Order Coleoptera

A beetle is a large group of insects in the order Coleoptera.



Beetle is a generic term for creatures in the order Coleoptera. Coleopteran insects get their name because their forewings are hard sheaths, shaped like carapaces.

Beetles are a fairly large group. There are about 350,000 known species of Coleoptera.

The body surface of the beetle is generally covered with an exoskeleton and has two pairs of wings. The carapace-like forewings play a protective role and cover the body and hind wings; while the hind wings are used for flight, fanning at high speed during flight. (Some beetles are incapable of flight)

Coleopteran insects go through egg → larva → pupa → adult, and are completely metamorphic organisms.

Some beetles are closely related to human life and often appear in human vision in life, especially in rural areas with low urbanization.

Beetles and humans

  • Beetles are closely related to human agriculture and forestry. Some beetles are beneficial insects, such as ladybugs; some are pests, such as longhorn beetles.
  • Some beetles are edible insects in some countries and regions.
  • Dung beetles feed on dung, which can clean up animal dung, reduce other dung-eating pests, reduce greenhouse gas emissions, and more.
  • In traditional Chinese medicine, there are many kinds of beetles that can be used as medicine.
  • In ancient Egyptian mythology, the "scarab" is a sacred animal. The scarab god (and the morning sun god) "Kaibli" is a beetle-headed human figure. The totem of the "scarab" is often seen in the frescoes and carvings of ancient Egypt. It is modeled after the dung beetle.
  • In the game of humans fighting bugs, various beetles are common, such as rhino beetles, tiger beetles, stag beetles, longhorn beetles and so on.
  • In Japanese culture, beetles such as stag beetles and rhino beetles are generally believed to be symbols of mighty and combative power. For example, during the Warring States Period in Japan, the samurai armor head ornaments were designed with reference to rhino beetle's horns. In Japan, beetles are also quite popular pets, and some of these rare species are priced at tens or even hundreds of thousands of yen.
  • Therefore, in many works of fiction, many characters would be based on the stag or rhino beetles.

Beetles in fiction

Biological beetles

  • Mushiking: A battle between two factions of giant beetles.
  • Haruhi Suzumiya: During the endless August, when SOS went up the mountain to catch insects, they caught a halberd and a rainbow stag beetle.
  • Crayon Shin-chan: There are stag and rhino beetles. Shin-chan's mother says that in the department store, stag beetles can be sold for only 50,000 yen.
  • One Piece: Luffy catches rhino beetles.
  • Fate/Grand Order: One of the attacks of the ancient Egyptian queen Nitocris.

Anthropomorphic beetles

  • Mushihimesama: After most of the earth was deserted, the giant beetle (a beast) was worshipped as the god of the forest by humans.
  • Kibaoh Klashers: A TV series featuring anthropomorphic beetles, set in the Beetle Realm.
  • Larva: Brown is a dung beetle and Black is a rhino beetle.
  • Digimon Adventure: Tentomon.

Beetle-themed things in fiction

  • DC Comics: The superhero Blue Beetle.
  • Transformers has Bombshell and Shrapnel, themed after a rhino beetle and stag beetle respectively.
  • Miraculous has Marinette, who transforms into the titular superheroine Ladybug.
  • JoJo's Bizarre Adventure has Gray Fly, whose Stand is themed after a beetle.
  • Kamen Rider Kabuto: Soji Tendo transforms into the titular Rider using the Kabuto Zecter. There is also Arata Kagami who uses the Gatack Zecter to become Kamen Rider Gatack.
    • This kind of combination actually is very common. For example, Blade and Garren in Blade who are based on the long halberd and stag beetle, respectively (Their King Modes are based on the Nanyang big beetle and the giraffe stag beetle), or Ghost and Spectre in Ghost (one horn and two horns).
  • Pokémon: Pinsir and Heracross are Pokémon based on a stag beetle and rhino beetle, respectively.
  • Harry Potter: British witch journalist Rita Skeeter can transmogrify into a beetle.