Giant Swallowtail of the Andes vs Henshaw's Brown Silk Moth

Side-by-side species comparison

Attribute Giant Swallowtail of the Andes Henshaw's Brown Silk Moth
Scientific Name Papilio thoas Caligula japonica
Order Lepidoptera Lepidoptera
Family Papilionidae Saturniidae
Size 110-140 mm wingspan 100-130 mm
Habitat Rivers & Streams Mountains
Diet Nectar Feeders Omnivores
Regions South America (Brazil, Argentina, Colombia, Venezuela, Peru, Ecuador, Bolivia) Japan, Korea, eastern China
Conservation Least Concern Least Concern

Giant Swallowtail of the Andes

One of the largest swallowtail butterflies in South America, with bold yellow and black striped wings and long tail streamers. It is a powerful flier that ranges from sea level to over 2000 m in the Andes. Larvae mimic bird droppings as a defense mechanism.

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Did You Know?

When threatened, the caterpillar everts a bright red forked organ called an osmeterium from behind its head, releasing a foul-smelling chemical.

Henshaw's Brown Silk Moth

A large Japanese silk moth with rich brown wings featuring distinctive zigzag postmedial lines and clear ocelli. It is one of the most impressive saturniids native to Japan.

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Did You Know?

In Japan, this species is called 'kusu-san' and is considered one of the most beautiful native moths, frequently featured in natural history publications.