Harpalus Seed-eating Ground Beetle vs Amazonian Water Scorpion
Side-by-side species comparison
| Attribute | Harpalus Seed-eating Ground Beetle | Amazonian Water Scorpion |
|---|---|---|
| Scientific Name | Harpalus rufipes | Ranatra spp. |
| Order | Coleoptera | Hemiptera |
| Family | Carabidae | Nepidae |
| Size | 11-16 mm | 30-50 mm including siphon |
| Habitat | Tundra & Arctic | Ponds & Lakes |
| Diet | Predators | Predators |
| Regions | Europe, Western Asia, Introduced to North America | Throughout South America |
| Conservation | Least Concern | Least Concern |
Harpalus Seed-eating Ground Beetle
A common Palearctic ground beetle with pubescent elytra and orange-red legs. Despite being partly granivorous, it also preys on aphids and small insects.
Did You Know?
It is one of the few ground beetles that feeds heavily on weed seeds, making it a valuable pest control ally.
Amazonian Water Scorpion
A stick-like aquatic bug with an extremely elongated body and long breathing siphon at the rear. It hangs motionless near the surface, ambushing passing prey.
Did You Know?
Despite the common name, it is not a scorpion at all and is completely harmless to humans though it can deliver a mild prick.