European Orussid Wood Wasp vs Elm Bark Beetle
Side-by-side species comparison
| Attribute | European Orussid Wood Wasp | Elm Bark Beetle |
|---|---|---|
| Scientific Name | Orussus unicolor | Scolytus multistriatus |
| Order | Hymenoptera | Coleoptera |
| Family | Orussidae | Curculionidae (Scolytinae) |
| Size | 8-12 mm | 2–3.5 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Wood Feeders | Wood Feeders |
| Regions | Southern Europe | Europe, North America |
| Conservation | Least Concern | Not Evaluated |
European Orussid Wood Wasp
A small, dark parasitoid wood wasp with a distinctly flattened head and stout build. It lays eggs into wood to parasitize wood-boring beetle larvae.
Did You Know?
Orussids use vibrations transmitted through wood to locate hidden host larvae deep inside tree trunks, similar to echolocation.
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.