Mountain Stonefly vs Stripetail Stonefly
Side-by-side species comparison
| Attribute | Mountain Stonefly | Stripetail Stonefly |
|---|---|---|
| Scientific Name | Protonemura montana | Isoperla bilineata |
| Order | Plecoptera | Plecoptera |
| Family | Nemouridae | Perlodidae |
| Size | 6-10 mm body length | 10-15 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Herbivores | Predators |
| Regions | Europe, Alps, British mountains | Eastern North America |
| Conservation | Least Concern | Least Concern |
Mountain Stonefly
A small brown stonefly common along mountain brooks and streams. Nymphs feed on fallen leaves in cold, well-oxygenated water.
Did You Know?
Its presence is an indicator of excellent water quality in mountain streams.
Stripetail Stonefly
A yellow-green stonefly with two distinctive dark stripes on its tails. It is common in clean North American streams during spring.
Did You Know?
Its distinctively striped cerci make it one of the easiest North American stoneflies to identify.