Northern Stonefly vs Oak Leaf Roller Moth
Side-by-side species comparison
| Attribute | Northern Stonefly | Oak Leaf Roller Moth |
|---|---|---|
| Scientific Name | Nemoura arctica | Archips xylosteana |
| Order | Plecoptera | Lepidoptera |
| Family | Nemouridae | Tortricidae |
| Size | 6-10 mm | 18-23 mm wingspan |
| Habitat | Rivers & Streams | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | Arctic Scandinavia, Finland, northern Russia, Iceland, Arctic Canada | Europe, Western Asia |
| Conservation | Least Concern | Least Concern |
Northern Stonefly
A small, dark brown stonefly with two long cerci at the tip of the abdomen. Adults hold their wings flat over the body. Nymphs develop in cold, well-oxygenated streams and are indicators of clean water.
Did You Know?
Stonefly nymphs are so sensitive to pollution that their presence in a stream is used as an indicator of excellent water quality.
Oak Leaf Roller Moth
A medium-sized tortrix with brown patterned forewings showing darker oblique bands. Larvae roll oak leaves into tight tubes secured with silk.
Did You Know?
Each caterpillar constructs multiple leaf rolls during its development, moving to fresh leaves as it grows.