Japanese Emperor Dragonfly vs Predaceous Diving Beetle
Side-by-side species comparison
| Attribute | Japanese Emperor Dragonfly | Predaceous Diving Beetle |
|---|---|---|
| Scientific Name | Anax parthenope julius | Cybister lateralimarginalis |
| Order | Odonata | Coleoptera |
| Family | Aeshnidae | Dytiscidae |
| Size | 70-80 mm body length | 30-37 mm |
| Habitat | Wetlands | Ponds & Lakes |
| Diet | Predators | Predators |
| Regions | East Asia, Japan/Korea | Southern Europe, Africa, Middle East |
| Conservation | Least Concern | Least Concern |
Japanese Emperor Dragonfly
A large hawker dragonfly and one of the most powerful aerial predators in Japanese wetlands. Known as 'gin-yanma' for its silvery-blue markings. Males patrol territories aggressively over ponds.
Did You Know?
This dragonfly can fly at speeds exceeding 30 km/h and catch prey in mid-air using its legs as a basket-like scoop.
Predaceous Diving Beetle
A large olive-green diving beetle found across southern Europe and Africa. It is a powerful swimmer that hunts a range of aquatic animals.
Did You Know?
In some parts of Asia and Africa, large Cybister species are collected and eaten as a traditional food source.