Elm Bark Beetle vs Crawling Water Beetle
Side-by-side species comparison
| Attribute | Elm Bark Beetle | Crawling Water Beetle |
|---|---|---|
| Scientific Name | Scolytus multistriatus | Haliplus ruficollis |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae (Scolytinae) | Haliplidae |
| Size | 2–3.5 mm | 2-3 mm |
| Habitat | Woodlands | Ponds & Lakes |
| Diet | Wood Feeders | Herbivores |
| Regions | Europe, North America | Europe |
| Conservation | Not Evaluated | Least Concern |
Elm Bark Beetle
A small bark beetle that is the primary vector of Dutch elm disease in North America. It creates distinctive brood galleries under elm bark.
Did You Know?
It spreads the fungus Ophiostoma novo-ulmi, which has wiped out millions of elm trees worldwide.
Crawling Water Beetle
A tiny, oval water beetle with a yellowish body covered in rows of dark punctures. Unlike diving beetles, it crawls slowly among aquatic vegetation rather than swimming actively.
Did You Know?
It stores air beneath enlarged hind coxal plates, which act as a built-in oxygen reservoir while submerged.