Norse Grayling vs Teratembiid Web Spinner
Side-by-side species comparison
| Attribute | Norse Grayling | Teratembiid Web Spinner |
|---|---|---|
| Scientific Name | Oeneis norna | Teratembia geniculata |
| Order | Lepidoptera | Embioptera |
| Family | Nymphalidae | Teratembiidae |
| Size | 44-54 mm wingspan | 6.0-9.0 mm |
| Habitat | Heathland | Heathland |
| Diet | Omnivores | Wood Feeders |
| Regions | Scandinavia, Finland, northern Russia, Siberia | North America |
| Conservation | Least Concern | Not Evaluated |
Norse Grayling
A medium-sized grayish-brown butterfly with subtle orange patches and small eyespots. The wings have a semi-translucent quality that helps with camouflage on lichen-covered ground. It has an erratic, low flight.
Did You Know?
This butterfly emerges in alternate years only, with populations synchronized so that all adults in an area appear in the same year.
Teratembiid Web Spinner
A small web spinner found in the southwestern United States and northern Mexico. It has distinctively bent hind femora used for navigating silk tunnels.
Did You Know?
The bent knees of this web spinner act as anchors allowing it to brace inside its silk tunnels when threatened.