Miyake Stag Beetle vs Japanese Diving Beetle
Side-by-side species comparison
| Attribute | Miyake Stag Beetle | Japanese Diving Beetle |
|---|---|---|
| Scientific Name | Dorcus rectus | Cybister japonicus |
| Order | Coleoptera | Coleoptera |
| Family | Lucanidae | Dytiscidae |
| Size | 20-54 mm | 30-38 mm |
| Habitat | Forests | Ponds & Lakes |
| Diet | Sap Feeders | Omnivores |
| Regions | East Asia, Japan/Korea | Japan, Korean Peninsula |
| Conservation | Least Concern | Vulnerable |
Miyake Stag Beetle
A medium-sized stag beetle found across Japan and Korea, known as 'ko-kuwagata.' More compact than other stag beetles with shorter mandibles. Common in lowland forests.
Did You Know?
This species is one of the easiest stag beetles to breed in captivity, making it a popular starter species for Japanese beetle hobbyists.
Japanese Diving Beetle
A large diving beetle native to Japan, once common but now increasingly rare. It has suffered severe declines due to habitat loss and invasive species.
Did You Know?
The American bullfrog, introduced to Japan, is a major predator of this beetle and a key driver of its decline.