Miles' Longhorn vs Twolined Chestnut Borer

Side-by-side species comparison

Attribute Miles' Longhorn Twolined Chestnut Borer
Scientific Name Cerambyx miles Agrilus bilineatus
Order Coleoptera Coleoptera
Family Cerambycidae Buprestidae
Size 24-48 mm 5–12 mm
Habitat Forests Woodlands
Diet Sap Feeders Sap Feeders
Regions Southern Europe, North Africa Eastern North America
Conservation Near Threatened Not Evaluated

Miles' Longhorn

A large dark brown longhorn found in old oak forests around the Mediterranean basin, often confused with C. cerdo but distinguished by the sculpture of its elytra. It is nocturnal and attracted to fermenting fruit bait.

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Did You Know?

This species preferentially attacks cork oaks, and its galleries can reduce the commercial value of cork bark.

Twolined Chestnut Borer

A jewel beetle that attacks stressed oaks and chestnuts in eastern North America. It is named for two pale stripes running along its wing covers.

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Did You Know?

Drought-stressed oaks are highly susceptible, and repeated attacks over two to three years can kill large trees.