Small stag beetle
Amazing fact
Large male small stag beetles have a pointed tooth on their jaws, while small males lack it.
福岡県
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An illustration based on the real animal.
A little discovery to share.
Large male small stag beetles have a pointed tooth on their jaws, while small males lack it.
THE REAL WORLD
The real Small stag beetle
- Scientific name
- Dorcus rectus
- Japanese name
- コクワガタ
- Group
- Insects
- Class
- Insecta
- Order
- Coleoptera
- Family
- Lucanidae
- Genus
- Dorcus
A stag beetle that gathers on trees such as sawtooth oak and other oaks. Adults are seen from late spring through summer.
How the Small stag beetle lives
They often fly to streetlights.
福岡県Basic data
- Size
- Body length: males 16–45 mm, females 20–28 mm
Where the Small stag beetle has been recorded
Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.
Names around the world
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 守山市 — 美崎公園とその周辺の自然（甲虫のなかま）Checked: 2026-11-03
- 福岡県 — コクワガタChecked: 2026-11-07
We check each fact against its source. The illustrations simplify how the real animal looks.
The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.
The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.
This page was translated from the original Japanese with the help of AI.
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