Feathered Thorn vs Spruce Budworm
Side-by-side species comparison
| Attribute | Feathered Thorn | Spruce Budworm |
|---|---|---|
| Scientific Name | Colotois pennaria | Choristoneura fumiferana |
| Order | Lepidoptera | Lepidoptera |
| Family | Geometridae | Tortricidae |
| Size | 40-50 mm wingspan | 20-28 mm wingspan |
| Habitat | Underground | Forests |
| Diet | Herbivores | Omnivores |
| Regions | Europe, western Asia | North America |
| Conservation | Least Concern | Least Concern |
Feathered Thorn
An autumn-flying moth with warm orange-brown wings and males bearing dramatically feathered antennae. It flies late in the year when few other moths are active.
Did You Know?
Males use their enormous feathered antennae to detect female pheromones on cold autumn nights.
Spruce Budworm
A small mottled grey-brown moth that is the most destructive forest pest in North America. Outbreaks can kill millions of hectares of spruce and fir forest.
Did You Know?
A single outbreak in the 1970s-80s damaged more timber than all forest fires in Canada combined.