Common Thick-headed Fly vs Red-legged Jewel Beetle

Side-by-side species comparison

Attribute Common Thick-headed Fly Red-legged Jewel Beetle
Scientific Name Sicus ferrugineus Castiarina rufipennis
Order Diptera Coleoptera
Family Conopidae Buprestidae
Size 8-12 mm 10-15 mm
Habitat Underground Woodlands
Diet Nectar Feeders Nectar Feeders
Regions Europe Australia
Conservation Least Concern Least Concern

Common Thick-headed Fly

A distinctive orange-brown fly with a disproportionately large, inflated head and a curved abdomen. It perches conspicuously on flowers waiting to intercept passing bumblebees.

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Did You Know?

The parasitized bumblebee eventually dies and buries itself in the ground, where the fly larva pupates inside the bee.

Red-legged Jewel Beetle

A medium-sized jewel beetle with reddish-brown elytra and metallic green thorax. It visits flowers in eucalypt woodlands across southern Australia.

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Did You Know?

The genus Castiarina contains about 500 species, all found only in Australia and New Guinea.