Blue Milkweed Beetle vs Chinese Golden Ground Beetle

Side-by-side species comparison

Attribute Blue Milkweed Beetle Chinese Golden Ground Beetle
Scientific Name Chrysochus cobaltinus Carabus elysii
Order Coleoptera Coleoptera
Family Chrysomelidae Carabidae
Size 8-12 mm 25-32 mm
Habitat Grasslands Forests
Diet Herbivores Predators
Regions North America Southwestern China (Sichuan, Yunnan)
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.

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Did You Know?

This beetle sequesters heart-stopping toxins from milkweed plants in its blood, making it poisonous to any predator that eats it.

Chinese Golden Ground Beetle

A stunning Chinese ground beetle with brilliant golden-green elytra and deep blue pronotum. It is found in the forested mountains of Sichuan and Yunnan provinces.

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Did You Know?

The mountains of Sichuan and Yunnan are a global diversity hotspot for Carabus beetles, with many brilliantly colored species found nowhere else.