Fiddler Beetle vs Japanese Horntail

Side-by-side species comparison

Attribute	Fiddler Beetle	Japanese Horntail
Scientific Name	Eupoecila australasiae	Eriotremex formosanus
Order	Coleoptera	Hymenoptera
Family	Scarabaeidae	Siricidae
Size	15-20 mm	20-35 mm
Habitat	Gardens	Woodlands
Diet	Wood Feeders	Wood Feeders
Regions	Australia	East Asia, Taiwan, introduced to southeastern United States
Conservation	Least Concern	Least Concern

Fiddler Beetle

A distinctive scarab beetle with green and yellow violin-shaped markings on its back. It is commonly found in gardens across eastern Australia.

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The fiddle-shaped pattern on its back gives this beetle its common name.

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