Little Sister Sedge vs Pyrenean Ground Beetle

Side-by-side species comparison

Attribute Little Sister Sedge Pyrenean Ground Beetle
Scientific Name Cheumatopsyche campyla Nebria lafresnayei
Order Trichoptera Coleoptera
Family Hydropsychidae Carabidae
Size 7-10 mm 10-14 mm
Habitat Rivers & Streams Mountains
Diet Omnivores Omnivores
Regions North America Pyrenees, France, Spain
Conservation Least Concern Near Threatened

Little Sister Sedge

A small net-spinning caddisfly widespread in warm-water streams. Larvae tolerate moderate enrichment better than most Hydropsychidae.

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Did You Know?

Larvae vibrate their bodies to increase water flow through their catch-nets.

Pyrenean Ground Beetle

An endemic ground beetle restricted to high elevations in the Pyrenees. It inhabits cold, damp scree slopes and glacier remnants.

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Did You Know?

Genetic studies show it has been isolated in the Pyrenees since the last ice age.