Japanese Comma Butterfly vs Japanese Yellow Swallowtail

Side-by-side species comparison

Attribute Japanese Comma Butterfly Japanese Yellow Swallowtail
Scientific Name Nymphalis vaualbum Papilio machaon hippocrates
Order Lepidoptera Lepidoptera
Family Nymphalidae Papilionidae
Size 55-65 mm wingspan 70-90 mm wingspan
Habitat Mountains Mountains
Diet Sap Feeders Nectar Feeders
Regions East Asia, Japan/Korea East Asia, Japan
Conservation Least Concern Least Concern

Japanese Comma Butterfly

Known as 'erutateha' in Japanese, a large nymphalid butterfly with deeply scalloped wing edges. The undersides provide excellent bark camouflage. Adults overwinter and can be seen flying on warm winter days.

💡

Did You Know?

This butterfly hibernates through winter as an adult and can sometimes be seen flying on unusually warm days in January and February in Japan.

Japanese Yellow Swallowtail

The Japanese subspecies of the Old World swallowtail, known as 'ki-ageha.' A large and elegant butterfly with bright yellow wings marked with black patterns and blue hindwing spots.

💡

Did You Know?

This butterfly engages in 'hilltopping' behavior, where males fly to hilltops and ridges to establish territories and wait for females.