Giant Bess Beetle vs Narrow-mouth Ground Beetle
Side-by-side species comparison
| Attribute | Giant Bess Beetle | Narrow-mouth Ground Beetle |
|---|---|---|
| Scientific Name | Passalus punctiger | Abax parallelepipedus |
| Order | Coleoptera | Coleoptera |
| Family | Passalidae | Carabidae |
| Size | 35-50 mm | 18-22 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Wood Feeders | Predators |
| Regions | South America | Western and Central Europe |
| Conservation | Least Concern | Least Concern |
Giant Bess Beetle
A very large, robust bess beetle with a glossy black exoskeleton and strong mandibles. It creates extensive tunnel systems in large fallen trees. Multiple generations may coexist within a single log.
Did You Know?
Larvae pupate in protective cases made from frass that parents help construct.
Narrow-mouth Ground Beetle
A large, shiny black ground beetle with a distinctive parallel-sided body shape. It is one of the most common large carabids in European woodlands, active at night under logs and stones.
Did You Know?
Its perfectly rectangular body shape is so precise and regular that it was given the species name 'parallelepipedus,' meaning resembling a geometric parallelepiped.