Nebrioporus Water Beetle vs Cylindrical Bark Hister
Side-by-side species comparison
| Attribute | Nebrioporus Water Beetle | Cylindrical Bark Hister |
|---|---|---|
| Scientific Name | Nebrioporus nipponicus | Teretrius fabricii |
| Order | Coleoptera | Coleoptera |
| Family | Dytiscidae | Histeridae |
| Size | 5-7 mm | 2-3 mm |
| Habitat | Mountains | Woodlands |
| Diet | Omnivores | Wood Feeders |
| Regions | East Asia, Japan | Europe, North America (introduced) |
| Conservation | Least Concern | Least Concern |
Nebrioporus Water Beetle
A small diving beetle endemic to Japan found in clean mountain streams. Part of a genus that prefers running water over still pools. An indicator species for unpolluted waterways.
Did You Know?
This beetle carries a bubble of air under its wing covers when diving, which it uses to breathe underwater like a built-in scuba tank.
Cylindrical Bark Hister
A tiny, cylindrical hister beetle that lives under bark of dead trees. Its elongated shape allows it to follow bark beetle tunnels.
Did You Know?
It was intentionally introduced to North America from Europe to help control the smaller European elm bark beetle.