Southern Stonefly vs Appalachian Springfly

Side-by-side species comparison

Attribute Southern Stonefly Appalachian Springfly
Scientific Name Aphanicerca capensis Remenus bilobatus
Order Plecoptera Plecoptera
Family Notonemouridae Perlodidae
Size 6-10 mm 8-12 mm
Habitat Mountains Rivers & Streams
Diet Detritivores Predators
Regions Southern Africa North America
Conservation Least Concern Vulnerable

Southern Stonefly

A small brown stonefly endemic to mountain streams of the Western Cape, South Africa. It belongs to a Southern Hemisphere family with Gondwanan origins.

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Did You Know?

Its family Notonemouridae is found only in the Southern Hemisphere, a legacy of the breakup of Gondwana.

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.