Claassenia Stonefly vs Alpine Stonefly

Side-by-side species comparison

Attribute Claassenia Stonefly Alpine Stonefly
Scientific Name Claassenia sabulosa Dictyogenus alpinum
Order Plecoptera Plecoptera
Family Perlidae Perlodidae
Size 25-40 mm 15-25 mm body length
Habitat Rivers & Streams Mountains
Diet Predators Predators
Regions Western North America Alps, Central European mountains
Conservation Least Concern Least Concern

Claassenia Stonefly

A large predatory stonefly with a mottled yellow and brown pattern. The nymphs are active nocturnal hunters that roam the stream bed seeking prey.

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Did You Know?

Nymphs often crawl out of the water at night to hunt, making them vulnerable to bats and spiders.

Alpine Stonefly

A large, dark stonefly of cold alpine streams and rivers. Its nymphs are voracious predators of other aquatic invertebrates.

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Did You Know?

Adults have reduced mouthparts and do not feed during their short lifespan.