Giant Pill Millipede vs Madagascan Giant Pill Bug
Side-by-side species comparison
| Attribute | Giant Pill Millipede | Madagascan Giant Pill Bug |
|---|---|---|
| Scientific Name | Zephronia siamensis | Zoosphaerium blandum |
| Order | Sphaerotheriida | Sphaerotheriida |
| Family | Zephroniidae | Arthrosphaeridae |
| Size | 30-50 mm diameter when rolled | 30-50 mm |
| Habitat | Caves | Forests |
| Diet | Wood Feeders | Herbivores |
| Regions | Southeast Asia (Thailand, Malaysia, Vietnam, Laos, Cambodia) | Madagascar |
| Conservation | Least Concern | Not Evaluated |
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.
Did You Know?
When rolled into a ball, the armor plates lock together so tightly that most predators cannot pry them apart.
Madagascan Giant Pill Bug
A giant pill millipede from Madagascar that rolls into a smooth, hard ball when disturbed. They play an important role in decomposition on the forest floor.
Did You Know?
When rolled into a ball, even predators with strong jaws struggle to pry them open.