Blue Milkweed Beetle vs Marbled White
Side-by-side species comparison
| Attribute | Blue Milkweed Beetle | Marbled White |
|---|---|---|
| Scientific Name | Chrysochus cobaltinus | Melanargia galathea |
| Order | Coleoptera | Lepidoptera |
| Family | Chrysomelidae | Nymphalidae |
| Size | 8-12 mm | 46-56 mm wingspan |
| Habitat | Grasslands | Grasslands |
| Diet | Herbivores | Omnivores |
| Regions | North America | Europe, western Asia, North Africa |
| Conservation | Least Concern | Least Concern |
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.
Marbled White
A distinctive butterfly with bold black and white chequered wings that resembles no other European species. Despite its appearance, it is a member of the browns family, not the whites.
Did You Know?
Uniquely, females simply drop their eggs randomly into grass while in flight rather than placing them on food plants.