Springfly vs Perlodes Stonefly

Side-by-side species comparison

Attribute Springfly Perlodes Stonefly
Scientific Name Isoperla signata Perlodes microcephalus
Order Plecoptera Plecoptera
Family Perlodidae Perlodidae
Size 9-13 mm 15-25 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions Europe Europe
Conservation Least Concern Least Concern

Springfly

A spring-emerging stonefly of fast-flowing European streams. Nymphs are active hunters that pursue prey among streambed gravels.

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Did You Know?

Males locate females by producing species-specific vibrations that travel through the substrate.

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.