Larch Sawfly vs Freija Fritillary
Side-by-side species comparison
| Attribute | Larch Sawfly | Freija Fritillary |
|---|---|---|
| Scientific Name | Pristiphora erichsonii | Boloria freija |
| Order | Hymenoptera | Lepidoptera |
| Family | Tenthredinidae | Nymphalidae |
| Size | 8-12 mm (adult) | 30-40 mm wingspan |
| Habitat | Forests | Tundra & Arctic |
| Diet | Omnivores | Omnivores |
| Regions | North America, Europe | Alaska, northern Canada, Scandinavia, Finland, northern Russia, Siberia |
| Conservation | Not Evaluated | Least Concern |
Larch Sawfly
The most important defoliator of larch in North America. Periodic outbreaks can last for years and cause significant growth reduction.
Did You Know?
Indigenous peoples used outbreaks as a calendar marker, as they occurred with notable regularity.
Freija Fritillary
A medium-small fritillary with bright orange wings bearing black zigzag markings. The hindwing underside features a distinctive arrowhead pattern in white and brown. It has a rapid, low flight over tundra bogs.
Did You Know?
Named after the Norse goddess Freya, this butterfly is among the first to fly each spring in the boreal north.