Forest Caterpillar Hunter vs Weevil

Side-by-side species comparison

Attribute Forest Caterpillar Hunter Weevil
Scientific Name Calosoma sycophanta Curculio glandium
Order Coleoptera Coleoptera
Family Carabidae Curculionidae
Size 25-35 mm 4-9 mm
Habitat Woodlands Woodlands
Diet Predators Omnivores
Regions Europe, North Africa; introduced to North America Europe, Asia
Conservation Least Concern Least Concern

Forest Caterpillar Hunter

A large, brilliant metallic green and gold ground beetle that climbs trees to hunt caterpillars. It was introduced to North America for gypsy moth biocontrol.

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Did You Know?

A single beetle can consume over 300 caterpillars during its larval and adult life.

Weevil

Acorn weevils have an enormously long rostrum (snout) used to bore into acorns for egg laying. Curculionidae is the largest animal family with over 60,000 species.

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Did You Know?

With over 60,000 described species, weevils (Curculionidae) are the largest family in the entire animal kingdom — there are more weevil species than mammal species.