Horned Passalus vs Bark-crevice Rove Beetle
Side-by-side species comparison
| Attribute | Horned Passalus | Bark-crevice Rove Beetle |
|---|---|---|
| Scientific Name | Odontotaenius disjunctus | Nudobius lentus |
| Order | Coleoptera | Coleoptera |
| Family | Passalidae | Staphylinidae |
| Size | 28-37 mm | 6-9 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Wood Feeders | Predators |
| Regions | Eastern North America | Europe, Northern Asia |
| Conservation | Least Concern | Least Concern |
Horned Passalus
A large, shiny black beetle with a small horn on its head, found in rotting logs. It lives in family groups where adults and larvae communicate by stridulation.
Did You Know?
Adults chew wood into pulp and feed it to their larvae, one of the few beetles to show true parental care.
Bark-crevice Rove Beetle
A slender, flattened rove beetle adapted for life under tight-fitting bark. Its compressed body and strong legs allow it to navigate the narrow subcortical habitat where it hunts bark beetle larvae.
Did You Know?
This beetle is considered a natural enemy of the European spruce bark beetle and helps regulate bark beetle populations in managed forests.