Madagascan Giant Pill Bug vs Douglas-fir Tussock Moth

Side-by-side species comparison

Attribute Madagascan Giant Pill Bug Douglas-fir Tussock Moth
Scientific Name Zoosphaerium blandum Orgyia pseudotsugata
Order Sphaerotheriida Lepidoptera
Family Arthrosphaeridae Erebidae
Size 30-50 mm 25-35 mm wingspan (males)
Habitat Forests Forests
Diet Herbivores Omnivores
Regions Madagascar North America
Conservation Not Evaluated Not Evaluated

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.

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Did You Know?

When rolled into a ball, even predators with strong jaws struggle to pry them open.

Douglas-fir Tussock Moth

A defoliator of Douglas-fir and true firs in western North America. Outbreaks cause severe defoliation and tree mortality in dry inland forests.

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Did You Know?

Females are flightless and lay their eggs directly on their cocoons.