Twig-girdling Longhorn vs Bronze Birch Borer

Side-by-side species comparison

Attribute Twig-girdling Longhorn Bronze Birch Borer
Scientific Name Ceroplesis thunbergii Agrilus anxius
Order Coleoptera Coleoptera
Family Cerambycidae Buprestidae
Size 20-35 mm 7–12 mm
Habitat Orchards Forests
Diet Wood Feeders Gall Makers
Regions Southern Africa North America
Conservation Least Concern Not Evaluated

Twig-girdling Longhorn

A grey and black longhorn beetle with pale speckled markings. It girdles living twigs to create suitable egg-laying sites.

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Did You Know?

Females methodically chew a neat groove around a branch until it dies, providing their larvae with drying wood to feed on.

Bronze Birch Borer

A native North American jewel beetle that is the most serious pest of birch trees. Larvae create winding galleries beneath the bark.

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Did You Know?

Dieback begins in the crown and progresses downward, a pattern birch owners call 'birch dieback syndrome.'