Chinese Windmill Butterfly vs Bella Moth

Side-by-side species comparison

Attribute Chinese Windmill Butterfly Bella Moth
Scientific Name Byasa alcinous Utetheisa ornatrix
Order Lepidoptera Lepidoptera
Family Papilionidae Arctiidae
Size Wingspan 75-95 mm 33-46 mm wingspan
Habitat Forests Beaches & Coastal
Diet Nectar Feeders Herbivores
Regions China, Japan, Korea, Taiwan Southeastern United States, Central and South America
Conservation Least Concern Least Concern

Chinese Windmill Butterfly

A dark swallowtail with red-spotted hindwings that rotates its wings in a slow windmill-like pattern during flight. It is widespread in East Asian lowland forests.

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Did You Know?

Its distinctive slow, spinning flight style gives it the common name windmill butterfly.

Bella Moth

A brightly colored moth with pink-orange forewings covered in white and black spots. It sequesters toxic pyrrolizidine alkaloids from its host plants for chemical defense.

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Did You Know?

Males transfer protective alkaloids to females during mating, which she then deposits onto her eggs to protect them.