Bronze Birch Borer vs Reunion Flightless Weevil

Side-by-side species comparison

Attribute Bronze Birch Borer Reunion Flightless Weevil
Scientific Name Agrilus anxius Cratopus ovalis
Order Coleoptera Coleoptera
Family Buprestidae Curculionidae
Size 7–12 mm 8-12 mm
Habitat Forests Forests
Diet Gall Makers Herbivores
Regions North America Reunion Island
Conservation Not Evaluated Vulnerable

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.'

Reunion Flightless Weevil

A flightless weevil with fused elytra endemic to the island of Reunion. Its inability to fly has made it vulnerable to habitat fragmentation.

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Did You Know?

Flightlessness evolved independently in many island beetle lineages as an adaptation to windy conditions.