Southern Salmonfly vs Tiny Winter Black Stonefly

Side-by-side species comparison

Attribute Southern Salmonfly Tiny Winter Black Stonefly
Scientific Name Neoperla clymene Capnia nigra
Order Plecoptera Plecoptera
Family Perlidae Capniidae
Size 12-18 mm 4-8 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Detritivores
Regions North America Europe, Northern Asia
Conservation Least Concern Least Concern

Southern Salmonfly

A medium-sized stonefly of warm southeastern streams with nocturnal adults. Nymphs are active predators in gravel substrates.

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Did You Know?

Adults are strongly attracted to lights and are often collected far from water at night.

Tiny Winter Black Stonefly

A tiny black stonefly that emerges in late winter across European streams. It is among the earliest insects to appear each year.

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Did You Know?

Females are often wingless or short-winged, relying on walking rather than flight to find mates.