Sallfly vs Cascades Stonefly

Side-by-side species comparison

Attribute Sallfly Cascades Stonefly
Scientific Name Chloroperla tripunctata Doroneuria theodora
Order Plecoptera Plecoptera
Family Chloroperlidae Perlidae
Size 6-10 mm 22-30 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions Europe North America
Conservation Least Concern Least Concern

Sallfly

A small, bright green stonefly with three distinctive dark spots on its head. It is common in clean European upland streams during spring.

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Did You Know?

The three dark dots on its head give this species its Latin name tripunctata, meaning three-spotted.

Cascades Stonefly

A large predatory stonefly endemic to Cascade Range streams. Nymphs inhabit cold boulder-strewn torrents at moderate elevations.

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Did You Know?

Adults drum their abdomens on streamside surfaces to communicate with potential mates.