Two-lined Chestnut Borer Leaf Beetle vs Common Agonum

Side-by-side species comparison

Attribute Two-lined Chestnut Borer Leaf Beetle Common Agonum
Scientific Name Chrysomela mainensis Agonum muelleri
Order Coleoptera Coleoptera
Family Chrysomelidae Carabidae
Size 6-8 mm 7-9 mm
Habitat Forests Farmland
Diet Herbivores Predators
Regions Northern North America Europe, western Asia
Conservation Least Concern Least Concern

Two-lined Chestnut Borer Leaf Beetle

A convex beetle with metallic dark greenish-black elytra and fine punctation. It is found on alder and willow in boreal forests across northern North America.

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Did You Know?

This boreal species has adapted to the short growing season of northern latitudes, completing its entire life cycle during the brief summer months.

Common Agonum

A sleek, metallic greenish-bronze ground beetle with a smooth, oval body. It is one of the most common ground beetles in European agricultural landscapes and an important aphid predator.

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Did You Know?

Studies have found this species can consume over 100 cereal aphids in a single night, making it one of the most valuable natural enemies in wheat fields.