Black Caterpillar Hunter vs Asian Atlas Dung Beetle

Side-by-side species comparison

Attribute Black Caterpillar Hunter Asian Atlas Dung Beetle
Scientific Name Calosoma sayi Catharsius pithecius
Order Coleoptera Coleoptera
Family Carabidae Scarabaeidae
Size 20-28 mm 20-30 mm
Habitat Grasslands Forests
Diet Predators Dung Feeders
Regions Central and western North America Southeast Asia
Conservation Least Concern Least Concern

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.

Asian Atlas Dung Beetle

A large black tunneling dung beetle from Southeast Asia with two stout pronotal horns in males. It rapidly constructs deep tunnels beneath dung pats. Found in forests and agricultural areas near livestock.

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Did You Know?

Its tunnel systems can extend over half a meter deep, aerating compacted tropical soils.