Speonomus Cave Beetle vs Red-shouldered Rove Beetle

Side-by-side species comparison

Attribute Speonomus Cave Beetle Red-shouldered Rove Beetle
Scientific Name Speonomus pyrenaeus Tachinus rufipes
Order Coleoptera Coleoptera
Family Leiodidae Staphylinidae
Size 3-4 mm 5-8 mm
Habitat Caves Forests
Diet Fungus Feeders Fungus Feeders
Regions France, Spain Holarctic: Europe, Asia, 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.

Red-shouldered Rove Beetle

A robust, medium-sized rove beetle with reddish-brown legs and a shiny dark body. It is one of the most ubiquitous Tachyporinae in northern temperate forests and agricultural landscapes.

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Did You Know?

This species has a remarkably broad diet and habitat range, making it one of the most ecologically versatile rove beetles.