Red-legged Jewel Beetle vs Japanese Horntail

Side-by-side species comparison

Attribute Red-legged Jewel Beetle Japanese Horntail
Scientific Name Castiarina rufipennis Eriotremex formosanus
Order Coleoptera Hymenoptera
Family Buprestidae Siricidae
Size 10-15 mm 20-35 mm
Habitat Woodlands Woodlands
Diet Nectar Feeders Wood Feeders
Regions Australia East Asia, Taiwan, introduced to southeastern United States
Conservation Least Concern Least Concern

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.

Japanese Horntail

A large wood wasp with a robust reddish-brown body and dark wings. Native to East Asia, it attacks stressed and recently felled hardwood trees.

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Did You Know?

This species was first detected in North America in 1974 and is one of the few tropical siricid wood wasps to establish invasive populations.