Large Stonefly vs Green Stonefly
Side-by-side species comparison
| Attribute | Large Stonefly | Green Stonefly |
|---|---|---|
| Scientific Name | Perla bipunctata | Alloperla caudata |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Chloroperlidae |
| Size | 20-30 mm | 8-12 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Predators | Detritivores |
| Regions | Europe | North America |
| Conservation | Near Threatened | Least Concern |
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.
Did You Know?
Large stonefly nymphs require three years to complete development, making them particularly vulnerable to long-term changes in water quality.
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.
Did You Know?
The presence of green stoneflies in a stream is considered strong evidence of pristine water quality by aquatic biologists.