Forestfly vs Western Stone

Side-by-side species comparison

Attribute Forestfly Western Stone
Scientific Name Nemoura cambrica Doroneuria baumanni
Order Plecoptera Plecoptera
Family Nemouridae Perlidae
Size 6-9 mm 25-35 mm
Habitat Forests Mountains
Diet Detritivores Predators
Regions Europe North America
Conservation Least Concern Least Concern

Forestfly

A small brown stonefly associated with forested Welsh and British streams. Nymphs have distinctive cervical gills and feed on leaf detritus.

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Did You Know?

The species was first described from specimens collected in Wales, giving it the name cambrica.

Western Stone

A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.

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Did You Know?

Nymphs take up to three years to complete development in cold mountain streams.