Golden Dynastes Beetle vs Small Milkweed Bug

Side-by-side species comparison

Attribute Golden Dynastes Beetle Small Milkweed Bug
Scientific Name Allomyrina pfeifferi Lygaeus kalmii
Order Coleoptera Hemiptera
Family Dynastinae Lygaeidae
Size 35-65 mm 10-12 mm
Habitat Grasslands Grasslands
Diet Sap Feeders Predators
Regions Thailand, Laos, Vietnam, China North America
Conservation Not Evaluated Least Concern

Golden Dynastes Beetle

A large rhinoceros beetle from mainland Southeast Asia related to the Japanese species. Males have a prominent forked horn.

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Did You Know?

They are sometimes sold alongside their Japanese relatives in the Asian pet beetle trade.

Small Milkweed Bug

A boldly patterned red-and-black seed bug that feeds on milkweed seeds and sequesters toxic cardiac glycosides. Its warning coloration advertises its chemical defense to predators.

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Did You Know?

It stores milkweed toxins in its body, making it taste terrible to birds and other predators that try to eat it.