Pasimachus Flat Ground Beetle vs Gold-and-Brown Rove Beetle

Side-by-side species comparison

Attribute Pasimachus Flat Ground Beetle Gold-and-Brown Rove Beetle
Scientific Name Pasimachus depressus Ontholestes tessellatus
Order Coleoptera Coleoptera
Family Carabidae Staphylinidae
Size 22-30 mm 14-20 mm
Habitat Deserts & Drylands Woodlands
Diet Predators Predators
Regions Southeastern United States Europe, Asia
Conservation Least Concern Least Concern

Pasimachus Flat Ground Beetle

A large, broad, flattened shiny black beetle with massive mandibles and distinctive blue-margined elytra. It is one of the most imposing ground beetles in North America.

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Did You Know?

Its immensely powerful mandibles can easily pierce through the tough exoskeleton of other beetles, and it has been observed killing and eating June bugs and other scarabs.

Gold-and-Brown Rove Beetle

A large rove beetle covered in a mosaic of golden and dark brown hairs. It frequents dung and carrion where it preys on fly larvae.

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Did You Know?

Its tessellated hair pattern acts as camouflage against the mottled surfaces of dung and decaying matter.