Steel-blue Woodwasp vs Round-necked Longhorn
Side-by-side species comparison
| Attribute | Steel-blue Woodwasp | Round-necked Longhorn |
|---|---|---|
| Scientific Name | Sirex cyaneus | Neoclytus acuminatus |
| Order | Hymenoptera | Coleoptera |
| Family | Siricidae | Cerambycidae |
| Size | 12–28 mm | 8-18 mm |
| Habitat | Mountains | Woodlands |
| Diet | Wood Feeders | Wood Feeders |
| Regions | Europe | Eastern North America; invasive in Europe |
| Conservation | Not Evaluated | Least Concern |
Steel-blue Woodwasp
A metallic blue woodwasp native to Europe that breeds in fir and spruce. It is closely related to the more destructive Sirex noctilio.
Did You Know?
Unlike its relative Sirex noctilio, this species rarely causes significant economic damage to forestry.
Round-necked Longhorn
A reddish-brown cerambycid with narrow yellowish crossbands on the elytra, native to eastern North America but now invasive in parts of Europe. It breeds in freshly dead hardwood and is frequently found in stored firewood.
Did You Know?
This beetle has spread to Europe through the timber trade and is now established in parts of Italy and the Balkans.