Giant Pill Millipede vs Green Longhorn Beetle

Side-by-side species comparison

Attribute Giant Pill Millipede Green Longhorn Beetle
Scientific Name Zephronia siamensis Chlorobapta frontalis
Order Sphaerotheriida Coleoptera
Family Zephroniidae Cerambycidae
Size 30-50 mm diameter when rolled 15-22 mm body length
Habitat Caves Woodlands
Diet Wood Feeders Wood Feeders
Regions Southeast Asia (Thailand, Malaysia, Vietnam, Laos, Cambodia) Australia
Conservation Least Concern Least Concern

Giant Pill Millipede

A large pill millipede that can roll into a perfect sphere the size of a golf ball when threatened. The body is dark brown to black with smooth, overlapping plates.

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Did You Know?

When rolled into a ball, the armor plates lock together so tightly that most predators cannot pry them apart.

Green Longhorn Beetle

A bright metallic green longhorn beetle found visiting flowers in spring. Its vivid coloring makes it one of the most attractive Australian cerambycids.

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Did You Know?

Its metallic green color helps it blend in among eucalyptus foliage when resting.