Springfly vs Downes' Green Lacewing

Side-by-side species comparison

Attribute Springfly Downes' Green Lacewing
Scientific Name Isoperla signata Chrysoperla downesi
Order Plecoptera Neuroptera
Family Perlodidae Chrysopidae
Size 9-13 mm 12-18 mm wingspan
Habitat Rivers & Streams Forests
Diet Predators Predators
Regions Europe North America
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.

Downes' Green Lacewing

A conifer-associated green lacewing that retains its green color through winter. Unlike relatives, it does not turn brown in cold months.

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Did You Know?

It stays green year-round, while most related species change to brown or tan in winter.