Russian Wheat Aphid vs North American Water Scorpion
Side-by-side species comparison
| Attribute | Russian Wheat Aphid | North American Water Scorpion |
|---|---|---|
| Scientific Name | Diuraphis noxia | Ranatra fusca |
| Order | Hemiptera | Hemiptera |
| Family | Aphididae | Nepidae |
| Size | 1.5-2 mm | 28-40 mm including siphon |
| Habitat | Farmland | Wetlands |
| Diet | Sap Feeders | Herbivores |
| Regions | Worldwide cereal-growing regions | North America |
| Conservation | Not Evaluated | Least Concern |
Russian Wheat Aphid
A pale elongated aphid that causes leaf rolling and white streaking on wheat and barley. It injects toxins while feeding that are uniquely damaging to cereal crops.
Did You Know?
It caused over $1 billion in damage to U.S. wheat crops within just a few years of its arrival in 1986.
North American Water Scorpion
A stick-like aquatic predator found in ponds and marshes across eastern North America. It walks slowly on submerged vegetation to ambush prey.
Did You Know?
Despite being fully winged, it rarely flies and prefers to walk along the bottom of shallow ponds.