Irregular Weevil vs Japanese Ground Beetle
Side-by-side species comparison
| Attribute | Irregular Weevil | Japanese Ground Beetle |
|---|---|---|
| Scientific Name | Otiorhynchus sensitivus | Carabus insulicola |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae | Carabidae |
| Size | 5-8 mm | 22-30 mm |
| Habitat | Mountains | Forests |
| Diet | Herbivores | Omnivores |
| Regions | Alps, Central Europe | Japan |
| Conservation | Least Concern | Least Concern |
Irregular Weevil
A flightless alpine weevil found on exposed mountain slopes. Adults emerge in summer to feed on low-growing alpine cushion plants.
Did You Know?
Its inability to fly has led to high genetic divergence between neighboring mountain ranges.
Japanese Ground Beetle
A large, dark beetle with coppery-bronze elytra found in Japanese mountain forests. It is flightless and shows considerable variation between island populations.
Did You Know?
Isolated populations on different Japanese islands have diverged into distinct colour forms, making them popular among collectors.