Ivory-Marked Beetle vs Blue Horntail

Side-by-side species comparison

Attribute Ivory-Marked Beetle Blue Horntail
Scientific Name Eburia quadrigeminata Sirex juvencus
Order Coleoptera Hymenoptera
Family Cerambycidae Siricidae
Size 15-25 mm 12–30 mm
Habitat Woodlands Forests
Diet Wood Feeders Wood Feeders
Regions Eastern North America Europe, North America, Asia
Conservation Least Concern Not Evaluated

Ivory-Marked Beetle

A tan longhorn beetle with pairs of ivory-colored raised spots on each elytron. Larvae bore into hardwood timbers.

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Did You Know?

Adults have emerged from furniture over 40 years after the wood was cut and processed.

Blue Horntail

A metallic blue-black horntail wasp found across the Northern Hemisphere. It breeds in recently dead or dying spruce and fir trees.

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Did You Know?

Adults sometimes emerge from milled lumber years later, boring clean round exit holes through flooring or walls.