Henshaw's Brown Silk Moth vs Giant Silk Moth

Side-by-side species comparison

Attribute Henshaw's Brown Silk Moth Giant Silk Moth
Scientific Name Caligula japonica Hyalophora euryalus
Order Lepidoptera Lepidoptera
Family Saturniidae Saturniidae
Size 100-130 mm 90-130 mm
Habitat Mountains Farmland
Diet Omnivores Omnivores
Regions Japan, Korea, eastern China Western North America, from British Columbia to Baja California
Conservation Least Concern Least Concern

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.

Giant Silk Moth

A large western North American silk moth with reddish-brown wings featuring bold white crescent markings and a red-and-white banded body. It is the Pacific coast counterpart of the cecropia moth.

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Did You Know?

Hyalophora euryalus can hybridize with the cecropia moth where their ranges overlap, producing fertile offspring in a zone of intergradation.