Cobalt Milkweed Beetle vs Chinese Rhagophthalmid Glowworm

Side-by-side species comparison

Attribute Cobalt Milkweed Beetle Chinese Rhagophthalmid Glowworm
Scientific Name Chrysochus cobaltinus auratus Rhagophthalmus lufengensis
Order Coleoptera Coleoptera
Family Chrysomelidae Rhagophthalmidae
Size 8-11mm 10-18 mm
Habitat Meadows Forests
Diet Herbivores Predators
Regions North America East Asia, China
Conservation Least Concern Least Concern

Cobalt Milkweed Beetle

A subspecies of the cobalt blue milkweed beetle with slightly more golden-green coloring.

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Did You Know?

The metallic blue and green coloring warns predators that it has sequestered toxic compounds from milkweed.

Chinese Rhagophthalmid Glowworm

A bioluminescent beetle from southern China with larviform females that emit a steady greenish glow from ventral light organs. Males have well-developed wings but vestigial mouthparts.

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Did You Know?

This species has been studied for its unique luciferase, which differs significantly from that of the related firefly family Lampyridae.