Oil Beetle vs Jewel Beetle (Golden Castiarina)

Side-by-side species comparison

Attribute Oil Beetle Jewel Beetle (Golden Castiarina)
Scientific Name Meloe proscarabaeus Castiarina aureola
Order Coleoptera Coleoptera
Family Meloidae Buprestidae
Size 15-35 mm 8-14 mm
Habitat Beaches & Coastal Heathland
Diet Omnivores Wood Feeders
Regions Europe Australia, Oceania
Conservation Near Threatened Least Concern

Oil Beetle

A large, flightless beetle with shortened elytra and a swollen abdomen. It secretes an oily, blistering compound called cantharidin when threatened.

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Did You Know?

Females can lay over 1,000 eggs, but larvae must hitch a ride on a solitary bee to survive.

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.