Twolined Chestnut Borer vs Reed Beetle

Side-by-side species comparison

Attribute Twolined Chestnut Borer Reed Beetle
Scientific Name Agrilus bilineatus Donacia crassipes
Order Coleoptera Coleoptera
Family Buprestidae Chrysomelidae
Size 5–12 mm 9-12 mm
Habitat Woodlands Ponds & Lakes
Diet Sap Feeders Root Feeders
Regions Eastern North America Europe, Western Asia
Conservation Not Evaluated Least Concern

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.

Reed Beetle

A striking aquatic leaf beetle with metallic golden-green to coppery elytra and elongated hind legs. It is one of the largest European Donacia species, found on waterlily pads.

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Did You Know?

Larvae live entirely underwater, tapping into plant roots for both food and oxygen, using specialized spiracles to breathe air from root aerenchyma.