Helicopter Damselfly vs Korean Water Scorpion
Side-by-side species comparison
| Attribute | Helicopter Damselfly | Korean Water Scorpion |
|---|---|---|
| Scientific Name | Megaloprepus caerulatus | Laccotrephes japonensis |
| Order | Hemiptera | Hemiptera |
| Family | Pseudostigmatidae | Nepidae |
| Size | 100 mm body, 190 mm wingspan | 30-38 mm |
| Habitat | Forests | Ponds & Lakes |
| Diet | Predators | Predators |
| Regions | Central America, South America | East Asia, Japan/Korea |
| Conservation | Near Threatened | Least Concern |
Helicopter Damselfly
The largest damselfly in the world with a wingspan approaching 19 centimeters.
Did You Know?
It breeds exclusively in water-filled tree holes high in the forest canopy.
Korean Water Scorpion
A flat, leaf-shaped aquatic predator found in Japan and Korea. Despite its name, it is not a true scorpion but a true bug with raptorial forelegs. Breathes through a siphon-like tail appendage.
Did You Know?
The long breathing siphon at the rear works like a snorkel, allowing the water scorpion to breathe while remaining submerged and hidden among leaf litter.