Yellow-faced Horntail vs Steel-blue Woodwasp

Side-by-side species comparison

Attribute Yellow-faced Horntail Steel-blue Woodwasp
Scientific Name Sirex nitobei Sirex cyaneus
Order Hymenoptera Hymenoptera
Family Siricidae Siricidae
Size 15–30 mm 12–28 mm
Habitat Forests Mountains
Diet Wood Feeders Wood Feeders
Regions East Asia Europe
Conservation Not Evaluated Not Evaluated

Yellow-faced Horntail

A large woodwasp native to East Asia that occasionally appears as an invasive species. Females bore into larch and pine to deposit eggs.

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Did You Know?

It carries the same damaging symbiotic fungus Amylostereum areolatum as its relative Sirex noctilio.

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.

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Did You Know?

Unlike its relative Sirex noctilio, this species rarely causes significant economic damage to forestry.