Mountain Stonefly vs Spring Alpine Stonefly

Side-by-side species comparison

Attribute Mountain Stonefly Spring Alpine Stonefly
Scientific Name Protonemura montana Rhabdiopteryx alpina
Order Plecoptera Plecoptera
Family Nemouridae Taeniopterygidae
Size 6-10 mm body length 8-12 mm body length
Habitat Mountains Mountains
Diet Herbivores Detritivores
Regions Europe, Alps, British mountains Alps, Central Europe
Conservation Least Concern Least Concern

Mountain Stonefly

A small brown stonefly common along mountain brooks and streams. Nymphs feed on fallen leaves in cold, well-oxygenated water.

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Did You Know?

Its presence is an indicator of excellent water quality in mountain streams.

Spring Alpine Stonefly

An early-emerging stonefly that appears in spring along cold mountain streams. Adults can often be seen resting on streamside rocks.

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Did You Know?

It is one of the first insects to emerge after snowmelt in alpine streams.