Spread-antler Stag Beetle vs Japanese Giant Silkmoth

Side-by-side species comparison

Attribute Spread-antler Stag Beetle Japanese Giant Silkmoth
Scientific Name Odontolabis siva Saturnia japonica
Order Coleoptera Lepidoptera
Family Lucanidae Saturniidae
Size 35-90 mm 85-120 mm wingspan
Habitat Mountains Mountains
Diet Sap Feeders Omnivores
Regions India, Nepal, Myanmar, China Japan
Conservation Not Evaluated Least Concern

Spread-antler Stag Beetle

A large Himalayan stag beetle with widely spread mandibles in major males. Body color ranges from black to deep brown.

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Did You Know?

Found at elevations up to 2,500 meters in the Himalayan foothills, higher than most stag beetle species.

Japanese Giant Silkmoth

A large reddish-brown moth with prominent eyespots on all four wings. It is endemic to Japan and closely related to the European Emperor Moth.

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Did You Know?

It is considered a harbinger of spring in rural Japan, where it is called 'kusu-san'.