Pipevine Swallowtail vs Robust Brown Rove Beetle

Side-by-side species comparison

Attribute Pipevine Swallowtail Robust Brown Rove Beetle
Scientific Name Battus philenor Ocypus brunnipes
Order Lepidoptera Coleoptera
Family Papilionidae Staphylinidae
Size 70-110 mm wingspan 14-20 mm
Habitat Grasslands Grasslands
Diet Omnivores Predators
Regions North America from southern Canada to Mexico Europe, Western Asia
Conservation Least Concern Least Concern

Pipevine Swallowtail

A dark swallowtail with brilliant iridescent blue hindwings and an orange-spotted underside. Its toxicity from Aristolochia host plants makes it the model for several mimicry complexes.

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Did You Know?

At least five other butterfly species mimic its appearance to gain protection from predators.

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.