Glacial Stonefly vs Prostoia Forestfly

Side-by-side species comparison

Attribute Glacial Stonefly Prostoia Forestfly
Scientific Name Leuctra alpina Prostoia besametsa
Order Plecoptera Plecoptera
Family Leuctridae Nemouridae
Size 6-9 mm body length 5-8 mm
Habitat Mountains Woodlands
Diet Detritivores Detritivores
Regions Alps, Pyrenees North America
Conservation Least Concern Least Concern

Glacial Stonefly

A small, slender stonefly found in the coldest alpine headwater streams. Its needle-like wings are rolled tightly around its body at rest.

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Did You Know?

Its rolled-wing resting posture gives the family its common name of needle flies.

Prostoia Forestfly

A small spring stonefly of eastern North American woodland streams. Nymphs are detritivores among leaf packs in gentle currents.

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Did You Know?

The genus name Prostoia was coined to distinguish these North American species from the European Protonemura.