Asiatic Rice Borer vs Japanese Comma Butterfly

Side-by-side species comparison

Attribute Asiatic Rice Borer Japanese Comma Butterfly
Scientific Name Chilo suppressalis Nymphalis vaualbum
Order Lepidoptera Lepidoptera
Family Crambidae Nymphalidae
Size 20-28 mm wingspan 55-65 mm wingspan
Habitat Farmland Mountains
Diet Omnivores Sap Feeders
Regions Asia, Southern Europe East Asia, Japan/Korea
Conservation Not Evaluated Least Concern

Asiatic Rice Borer

A major pest of rice across Asia, where larvae bore into tillers and stems. Heavy infestations cause whiteheads and significant yield losses.

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Did You Know?

It is one of the target pests for Bt rice varieties currently under development in China.

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.

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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.