Green Immigrant Leaf Weevil vs Habu's Ground Beetle
Side-by-side species comparison
| Attribute | Green Immigrant Leaf Weevil | Habu's Ground Beetle |
|---|---|---|
| Scientific Name | Polydrusus formosus | Carabus dehaanii |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Carabidae |
| Size | 5-7 mm | 25-33 mm |
| Habitat | Orchards | Forests |
| Diet | Herbivores | Predators |
| Regions | Europe, introduced to Northeastern North America | Japan (western Honshu, Shikoku, Kyushu) |
| Conservation | Least Concern | Least Concern |
Green Immigrant Leaf Weevil
A small, brilliant metallic green beetle covered in tiny iridescent scales that produce its striking coloration. It is native to Europe but has become established in parts of North America.
Did You Know?
Its brilliant green color comes from microscopic scales on its body; once these scales wear off, the beetle appears dull brown or black underneath.
Habu's Ground Beetle
A large Japanese ground beetle with deeply sculptured elytra and striking blue-violet metallic coloring. It is widespread in lowland forests across western Japan.
Did You Know?
Japanese Carabus beetles have been intensively studied for decades, making Japan one of the best-documented regions in the world for ground beetle ecology and evolution.