Western Spruce Budworm vs Little Tan Short-Horn Sedge
Side-by-side species comparison
| Attribute | Western Spruce Budworm | Little Tan Short-Horn Sedge |
|---|---|---|
| Scientific Name | Choristoneura occidentalis | Glossosoma nigrior |
| Order | Lepidoptera | Trichoptera |
| Family | Tortricidae | Glossosomatidae |
| Size | 22-28 mm wingspan | 5-8 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | Eastern North America |
| Conservation | Not Evaluated | Least Concern |
Western Spruce Budworm
A major defoliator of Douglas-fir and true firs in western North America. Repeated defoliation leads to growth loss and tree mortality.
Did You Know?
Fire suppression has increased susceptibility of western forests to budworm outbreaks.
Little Tan Short-Horn Sedge
A small, abundant caddisfly of eastern North American streams. Larvae build tortoise-shell-shaped cases of fine gravel and are important grazers.
Did You Know?
Grazing by dense populations can visibly reduce algal cover on stream rocks.