Checkered Beetle vs Black Caterpillar Hunter

Side-by-side species comparison

Attribute Checkered Beetle Black Caterpillar Hunter
Scientific Name Trichodes apiarius Calosoma sayi
Order Coleoptera Coleoptera
Family Cleridae Carabidae
Size 9-16 mm 20-28 mm
Habitat Underground Grasslands
Diet Parasites Predators
Regions Europe, North Africa Central and western North America
Conservation Least Concern Least Concern

Checkered Beetle

A brightly colored red and blue beetle often found on flowers. Its larvae are parasites of solitary bee nests.

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Did You Know?

Females lay eggs near bee nests so larvae can invade and consume the bee brood.

Black Caterpillar Hunter

A large, entirely black caterpillar hunter beetle native to North American prairies and grasslands. It is a powerful runner that hunts caterpillars, especially cutworms, at night.

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Did You Know?

Pioneer farmers on the Great Plains observed massive aggregations of this beetle appearing after rain to hunt cutworm outbreaks and called them rain beetles or thunderbugs.