Cabbage Seed Weevil vs Blue Milkweed Beetle
Side-by-side species comparison
| Attribute | Cabbage Seed Weevil | Blue Milkweed Beetle |
|---|---|---|
| Scientific Name | Ceutorhynchus obstrictus | Chrysochus cobaltinus |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae | Chrysomelidae |
| Size | 2.5-3 mm | 8-12 mm |
| Habitat | Farmland | Grasslands |
| Diet | Seed Feeders | Herbivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Cabbage Seed Weevil
A small grey weevil that is a major pest of oilseed rape. Larvae feed inside seed pods, consuming developing seeds. Causes significant economic losses across Europe.
Did You Know?
Entry holes made by egg-laying females also allow the larvae of the brassica pod midge to enter, compounding damage.
Blue Milkweed Beetle
A stunningly beautiful beetle with a deep cobalt blue metallic sheen across its rounded body. It feeds on milkweed and dogbane plants, sequestering toxic cardenolides for defense.
Did You Know?
This beetle sequesters heart-stopping toxins from milkweed plants in its blood, making it poisonous to any predator that eats it.