Svalbard Rove Beetle vs Embossed Stonefly

Side-by-side species comparison

Attribute Svalbard Rove Beetle Embossed Stonefly
Scientific Name Atheta islandica Paragnetina immarginata
Order Coleoptera Plecoptera
Family Staphylinidae Perlidae
Size 2-3 mm 18-25 mm
Habitat Heathland Rivers & Streams
Diet Predators Predators
Regions Iceland, Svalbard, northern Scandinavia, Greenland North America
Conservation Least Concern Least Concern

Svalbard Rove Beetle

A tiny, dark brown rove beetle found in some of the most northerly terrestrial habitats on Earth. It shelters in bird nests and guano deposits where the microclimate is warmer. Adults are active predators of mites.

💡

Did You Know?

This beetle survives in the High Arctic partly by living in seabird colonies where decomposing guano generates warmth.

Embossed Stonefly

A large patterned stonefly of clean eastern streams with raised body markings. Nymphs are top predators among stream cobble invertebrate communities.

💡

Did You Know?

Nymphs moult up to 30 times before reaching adulthood, far more than most aquatic insects.