Tasmanian Giant Stonefly vs Appalachian Springfly

Side-by-side species comparison

Attribute Tasmanian Giant Stonefly Appalachian Springfly
Scientific Name Eusthenia spectabilis Remenus bilobatus
Order Plecoptera Plecoptera
Family Eustheniidae Perlodidae
Size 30-50 mm 8-12 mm
Habitat Mountains Rivers & Streams
Diet Predators Predators
Regions Australia (Tasmania) North America
Conservation Least Concern Vulnerable

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.

Appalachian Springfly

A rare springfly restricted to a few clean Appalachian headwater streams. Nymphs are predatory on small invertebrates among gravel substrates.

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Did You Know?

Its extremely limited range makes it one of the rarest stonefly species in North America.