European Wheat Stem Sawfly vs Japanese Paper Wasp
Side-by-side species comparison
| Attribute | European Wheat Stem Sawfly | Japanese Paper Wasp |
|---|---|---|
| Scientific Name | Cephus pygmeus | Polistes japonicus |
| Order | Hymenoptera | Hymenoptera |
| Family | Cephidae | Vespidae |
| Size | 8-10 mm (adult) | 11-15 mm |
| Habitat | Farmland | Gardens |
| Diet | Omnivores | Fruit Feeders |
| Regions | Europe, Asia, North America | Japan |
| 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 Paper Wasp
A small dark paper wasp endemic to Japan that builds delicate open-comb nests under eaves and tree branches. It is one of the most common social wasps in Japanese gardens.
Did You Know?
Japanese beekeepers sometimes tolerate these wasps near apiaries because they prey on pest insects rather than honeybees.