Hawaiian Picture-wing Fly (Heteroneura) vs Jewel Beetle (Golden Castiarina)

Side-by-side species comparison

Attribute Hawaiian Picture-wing Fly (Heteroneura) Jewel Beetle (Golden Castiarina)
Scientific Name Drosophila heteroneura Castiarina aureola
Order Diptera Coleoptera
Family Drosophilidae Buprestidae
Size 5-7 mm 8-14 mm
Habitat Forests Heathland
Diet Wood Feeders Wood Feeders
Regions Oceania (Hawaii - Big Island) Australia, Oceania
Conservation Endangered Least Concern

Hawaiian Picture-wing Fly (Heteroneura)

A remarkable Hawaiian picture-wing fly famous for its hammer-shaped head, found only on Hawaii Island. Males use their broad, flattened heads in head-butting contests for mating rights. It breeds in decaying Clermontia bark.

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Did You Know?

Males have uniquely hammer-shaped heads that they use as battering rams, headbutting rival males in combat over territory and mates.

Jewel Beetle (Golden Castiarina)

A dazzlingly coloured jewel beetle endemic to Australia, with a golden-yellow body adorned with dark markings. Australia's Castiarina genus is the most species-rich jewel beetle genus in the world.

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Did You Know?

There are over 500 described species of Castiarina, making it one of the most diverse beetle genera on Earth.