Speonomus Cave Beetle vs Wrinkled Rove Beetle

Side-by-side species comparison

Attribute Speonomus Cave Beetle Wrinkled Rove Beetle
Scientific Name Speonomus pyrenaeus Oxytelus rugosus
Order Coleoptera Coleoptera
Family Leiodidae Staphylinidae
Size 3-4 mm 3-5 mm
Habitat Caves Tundra & Arctic
Diet Fungus Feeders Dung Feeders
Regions France, Spain Europe, Asia, introduced to North America
Conservation Least Concern Least Concern

Speonomus Cave Beetle

A small cave beetle from the Pyrenees known for its extreme cave adaptations. It has vestigial eyes and elongated sensory structures.

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Did You Know?

The genus Speonomus contains over 100 cave-adapted species in the Pyrenees alone.

Wrinkled Rove Beetle

A small, flattened rove beetle with a heavily sculptured pronotum bearing deep longitudinal furrows. It is one of the most common dung-inhabiting staphylinids across the Palearctic region.

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Did You Know?

This beetle is among the first colonizers of fresh dung pats, arriving within minutes of deposition to prey on fly eggs.