Robust Brown Rove Beetle vs Big Dipper Firefly

Side-by-side species comparison

Attribute Robust Brown Rove Beetle Big Dipper Firefly
Scientific Name Ocypus brunnipes Photinus consimilis
Order Coleoptera Coleoptera
Family Staphylinidae Lampyridae
Size 14-20 mm 8-12 mm
Habitat Grasslands Woodlands
Diet Predators Omnivores
Regions Europe, Western Asia North America
Conservation Least Concern Least Concern

Robust Brown Rove Beetle

A large, dark rove beetle with characteristic brown legs, found commonly in grasslands and meadows. It is a powerful nocturnal predator that shelters under stones by day.

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Did You Know?

Like its relative the devil's coach horse, this beetle emits a foul smell from its white-tipped abdominal glands when threatened.

Big Dipper Firefly

A common North American firefly that produces a slow, arching flash resembling the Big Dipper constellation pattern. It is active in early summer evenings.

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Did You Know?

Each species of Photinus has evolved its own unique flash pattern to avoid mating with the wrong species.