Yanbaru Long-armed Scarab vs Two-Horned Oxysternon
Side-by-side species comparison
| Attribute | Yanbaru Long-armed Scarab | Two-Horned Oxysternon |
|---|---|---|
| Scientific Name | Cheirotonus jambar | Oxysternon durum |
| Order | Coleoptera | Coleoptera |
| Family | Euchirinae | Scarabaeidae |
| Size | 45-65 mm | 20-28 mm |
| Habitat | Forests | Forests |
| Diet | Sap Feeders | Dung Feeders |
| Regions | Japan (Okinawa) | South America |
| Conservation | Critically Endangered | Least Concern |
Yanbaru Long-armed Scarab
An extremely rare scarab beetle endemic to the Yanbaru forests of Okinawa. Males have greatly elongated forelegs used in mating displays.
Did You Know?
It was only discovered in 1983 and is protected as a Japanese national natural monument.
Two-Horned Oxysternon
A large, dark metallic green tunneling dung beetle with two prominent pronotal projections in males. The clypeus has a distinctive upturned anterior margin. It is a powerful tunneler in Amazonian rainforests.
Did You Know?
This beetle is so efficient at burying dung that it plays a measurable role in reducing livestock parasite transmission.