Green Stonefly vs Stripetail Stonefly

Side-by-side species comparison

Attribute Green Stonefly Stripetail Stonefly
Scientific Name Alloperla caudata Isoperla bilineata
Order Plecoptera Plecoptera
Family Chloroperlidae Perlodidae
Size 8-12 mm 10-15 mm
Habitat Mountains Rivers & Streams
Diet Detritivores Predators
Regions North America Eastern North America
Conservation Least Concern Least Concern

Green Stonefly

A small bright green stonefly found along clean mountain streams in North America. Despite its small size, it is an important indicator of excellent water quality.

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Did You Know?

The presence of green stoneflies in a stream is considered strong evidence of pristine water quality by aquatic biologists.

Stripetail Stonefly

A yellow-green stonefly with two distinctive dark stripes on its tails. It is common in clean North American streams during spring.

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Did You Know?

Its distinctively striped cerci make it one of the easiest North American stoneflies to identify.