Birch Catkin Bug vs Arboreal Ground Beetle
Side-by-side species comparison
| Attribute | Birch Catkin Bug | Arboreal Ground Beetle |
|---|---|---|
| Scientific Name | Kleidocerys resedae | Dromius quadrimaculatus |
| Order | Hemiptera | Coleoptera |
| Family | Lygaeidae | Carabidae |
| Size | 4-5 mm | 5-7 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Seed Feeders | Wood Feeders |
| Regions | Europe, northern Asia, North America | Europe, western Asia |
| Conservation | Least Concern | Least Concern |
Birch Catkin Bug
A small, oval brown seed bug that feeds on birch and alder catkins. It is very common in northern Europe and can form large swarms in autumn. It sometimes enters buildings in large numbers seeking overwintering shelter.
Did You Know?
In autumn, enormous swarms of thousands can descend on buildings near birch trees, alarming homeowners despite the bugs being completely harmless.
Arboreal Ground Beetle
A small, flattened ground beetle that lives primarily on trees rather than on the ground. It has a dark brown body with four pale spots on its elytra and hides under bark.
Did You Know?
Unlike most ground beetles, it spends its entire life on trees and is rarely found on the ground, challenging the common name of the family.