Lana'i Sandalwood Moth vs Water-lily Reed Beetle

Side-by-side species comparison

Attribute Lana'i Sandalwood Moth Water-lily Reed Beetle
Scientific Name Iliahia pahulu Donacia simplex
Order Lepidoptera Coleoptera
Family Gracillariidae Chrysomelidae
Size 5-8 mm wingspan 7-9 mm
Habitat Deserts & Drylands Ponds & Lakes
Diet Herbivores Herbivores
Regions Oceania Europe, Asia, North America
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.

Water-lily Reed Beetle

A metallic coppery-bronze aquatic beetle with longitudinal ridges on the elytra. Adults sit on floating leaves of pondweeds and bur-reeds in still or slow-flowing water.

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Did You Know?

Larvae construct a silken cocoon underwater attached to plant roots, filling it with air obtained from the plant's tissues for pupation.