Golden Stonefly vs Large Stonefly

Side-by-side species comparison

Attribute Golden Stonefly Large Stonefly
Scientific Name Calineuria californica Perla bipunctata
Order Plecoptera Plecoptera
Family Perlidae Perlidae
Size 25-35 mm 20-30 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions North America Europe
Conservation Least Concern Near Threatened

Golden Stonefly

A large predatory stonefly with a golden-brown body found in western North American rivers. Its nymphs are active hunters on the streambed.

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Did You Know?

Golden stonefly nymphs are apex predators of the streambed, hunting mayfly and caddisfly larvae among the cobbles.

Large Stonefly

One of the largest European stoneflies with a distinctive pair of pale spots on its head. Its predatory nymphs live among stones in fast-flowing rivers.

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Did You Know?

Large stonefly nymphs require three years to complete development, making them particularly vulnerable to long-term changes in water quality.