Yellow Stonefly vs Sallfly

Side-by-side species comparison

Attribute Yellow Stonefly Sallfly
Scientific Name Isoperla dicala Chloroperla tripunctata
Order Plecoptera Plecoptera
Family Perlodidae Chloroperlidae
Size 9-13 mm 6-10 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions North America Europe
Conservation Least Concern Least Concern

Yellow Stonefly

A bright yellow springfly found in clean Appalachian streams. Nymphs are predatory on small invertebrates in gravel substrates.

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Did You Know?

Males produce vibrational signals by rubbing their abdomen against the substrate, audible through special sensors.

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.