Lana'i Sandalwood Moth vs Japanese Clouded Yellow

Side-by-side species comparison

Attribute Lana'i Sandalwood Moth Japanese Clouded Yellow
Scientific Name Iliahia pahulu Colias erate
Order Lepidoptera Lepidoptera
Family Gracillariidae Pieridae
Size 5-8 mm wingspan 40-50 mm wingspan
Habitat Deserts & Drylands Grasslands
Diet Herbivores Nectar Feeders
Regions Oceania East Asia, Japan/Korea
Conservation Critically Endangered Least Concern

Lana'i Sandalwood Moth

A critically endangered moth discovered in 2026, known only from a small grove of roughly 30 sandalwood trees on the island of Lanai. Its larvae mine sandalwood leaves.

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Did You Know?

This moth is known from just one grove of 30 trees — if those sandalwood trees disappear, this entire species vanishes with them.

Japanese Clouded Yellow

Known as 'monjiro-cho' in Japanese, a common yellow butterfly found in open grasslands. Males are bright yellow while females may be white or yellow. A familiar sight in Japanese fields.

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Did You Know?

This butterfly is so common in Japan that it is one of the first butterflies children learn to identify, and it features in many Japanese children's songs.