Appalachian Springfly vs Perlodes Stonefly

Side-by-side species comparison

Attribute Appalachian Springfly Perlodes Stonefly
Scientific Name Remenus bilobatus Perlodes microcephalus
Order Plecoptera Plecoptera
Family Perlodidae Perlodidae
Size 8-12 mm 15-25 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions North America Europe
Conservation Vulnerable Least Concern

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.

Perlodes Stonefly

A striking patterned stonefly with yellow and brown markings found across Europe. Nymphs are active predators that emerge in spring.

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Did You Know?

Males communicate with potential mates by vibrating their bodies against the substrate to produce drumming signals.