European Wheat Stem Sawfly vs Japanese Horntail
Side-by-side species comparison
| Attribute | European Wheat Stem Sawfly | Japanese Horntail |
|---|---|---|
| Scientific Name | Cephus pygmeus | Eriotremex formosanus |
| Order | Hymenoptera | Hymenoptera |
| Family | Cephidae | Siricidae |
| Size | 8-10 mm (adult) | 20-35 mm |
| Habitat | Farmland | Woodlands |
| Diet | Omnivores | Wood Feeders |
| Regions | Europe, Asia, North America | East Asia, Taiwan, introduced to southeastern United States |
| Conservation | Not Evaluated | Least Concern |
European Wheat Stem Sawfly
A stem-boring sawfly pest of wheat and other cereals throughout Europe and western Asia. It has also established in parts of North America.
Did You Know?
Solid-stemmed wheat varieties were bred specifically to resist stem sawfly larval boring.
Japanese Horntail
A large wood wasp with a robust reddish-brown body and dark wings. Native to East Asia, it attacks stressed and recently felled hardwood trees.
Did You Know?
This species was first detected in North America in 1974 and is one of the few tropical siricid wood wasps to establish invasive populations.