Snowfield Rove Beetle vs Cascades Stonefly

Side-by-side species comparison

Attribute Snowfield Rove Beetle Cascades Stonefly
Scientific Name Geodromicus globulicollis Doroneuria theodora
Order Coleoptera Plecoptera
Family Staphylinidae Perlidae
Size 3-5 mm 22-30 mm
Habitat Mountains Rivers & Streams
Diet Predators Predators
Regions Alps, Carpathians, Scandinavian mountains North America
Conservation Least Concern Least Concern

Snowfield Rove Beetle

A small, cold-adapted omaline rove beetle found at high elevations near snowfields and glacier margins. It is active on snow surfaces where it hunts wind-blown insects trapped on the ice.

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Did You Know?

This beetle is active at temperatures near freezing and has antifreeze proteins in its blood that prevent ice crystal formation.

Cascades Stonefly

A large predatory stonefly endemic to Cascade Range streams. Nymphs inhabit cold boulder-strewn torrents at moderate elevations.

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Did You Know?

Adults drum their abdomens on streamside surfaces to communicate with potential mates.