New Zealand Stonefly vs Appalachian Springfly

Side-by-side species comparison

Attribute New Zealand Stonefly Appalachian Springfly
Scientific Name Zelandoperla decorata Remenus bilobatus
Order Plecoptera Plecoptera
Family Gripopterygidae Perlodidae
Size 15-25 mm 8-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Herbivores Predators
Regions Oceania (New Zealand) North America
Conservation Least Concern Vulnerable

New Zealand Stonefly

An endemic New Zealand stonefly found in clean, fast-flowing streams. The aquatic nymphs are important indicators of water quality. Adults are poor fliers and often found resting on streamside vegetation. Stonefly diversity in New Zealand is remarkably high.

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Did You Know?

New Zealand stoneflies are such sensitive indicators of water quality that their absence from a stream is a reliable sign of pollution or degradation.

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.