Sunflower Leaf Beetle vs Clover Root Weevil
Side-by-side species comparison
| Attribute | Sunflower Leaf Beetle | Clover Root Weevil |
|---|---|---|
| Scientific Name | Zygogramma exclamationis | Sitona obsoletus |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Curculionidae |
| Size | 6-8 mm | 3-5 mm |
| Habitat | Grasslands | Grasslands |
| Diet | Herbivores | Root Feeders |
| Regions | North America | Europe, New Zealand (invasive) |
| Conservation | Least Concern | Least Concern |
Sunflower Leaf Beetle
A pale yellowish-brown beetle with dark brown elytral stripes that curve to form an exclamation-mark-like pattern. It feeds on sunflower and related composites.
Did You Know?
Its species name 'exclamationis' refers to the exclamation-point-shaped dark mark on each elytron.
Clover Root Weevil
A small, grey-brown weevil that feeds on clover roots and nitrogen-fixing nodules. It became a major invasive pest in New Zealand pastures.
Did You Know?
By destroying nitrogen-fixing root nodules, it reduces pasture fertility, costing New Zealand agriculture hundreds of millions of dollars annually.