Yellow Sally Stonefly vs Tasmanian Giant Stonefly

Side-by-side species comparison

Attribute Yellow Sally Stonefly Tasmanian Giant Stonefly
Scientific Name Isoperla grammatica Eusthenia spectabilis
Order Plecoptera Plecoptera
Family Perlodidae Eustheniidae
Size 8-14 mm 30-50 mm
Habitat Rivers & Streams Mountains
Diet Omnivores Predators
Regions Europe Australia (Tasmania)
Conservation Least Concern Least Concern

Yellow Sally Stonefly

A common European stonefly with a distinctive yellow body, emerging in late spring on clean rivers. It is a well-known species among European fly anglers.

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Did You Know?

Yellow sally stoneflies drum their abdomens on surfaces to produce vibrations that attract mates, a behavior unique to stoneflies.

Tasmanian Giant Stonefly

A spectacular large stonefly endemic to Tasmanian mountain streams with bold orange and black markings. Nymphs are among the largest aquatic insect larvae in Australia.

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Did You Know?

It belongs to an ancient Gondwanan family found only in Australia and South America.