Yellow-banded Eucalyptus Longhorn vs North American Horntail

Side-by-side species comparison

Attribute Yellow-banded Eucalyptus Longhorn North American Horntail
Scientific Name Phoracantha recurva Tremex columba
Order Coleoptera Hymenoptera
Family Cerambycidae Siricidae
Size 14-28 mm 25–50 mm
Habitat Farmland Woodlands
Diet Wood Feeders Wood Feeders
Regions Australia; invasive in California, Mediterranean, South America Eastern North America
Conservation Least Concern Not Evaluated

Yellow-banded Eucalyptus Longhorn

An Australian cerambycid similar to P. semipunctata but with more pronounced yellowish bands and recurved elytral apices. It has also become invasive worldwide in eucalyptus plantations and often outcompetes its congener.

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Did You Know?

Where both Phoracantha species co-occur, P. recurva often displaces P. semipunctata through larval competition.

North American Horntail

A large horntail wasp found across eastern North America. It attacks dead and dying hardwood trees such as beech, maple, and elm.

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Did You Know?

The parasitoid wasp Megarhyssa macrurus uses its extremely long ovipositor to reach horntail larvae deep inside wood.